1
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Zhang Y, Liu W, Luo Z, Yuan J, Wuyun Q, Zhang P, Wang Q, Yang M, Liu C, Yan S, Wang G. Odorant Receptor BdorOR49b Mediates Oviposition and Attraction Behavior of Bactrocera dorsalis to Benzothiazole. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7784-7793. [PMID: 38561632 DOI: 10.1021/acs.jafc.3c09791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The ability to recognize a host plant is crucial for insects to meet their nutritional needs and locate suitable sites for laying eggs. Bactrocera dorsalis is a highly destructive pest in fruit crops. Benzothiazole has been found to induce oviposition behavior in the gravid B. dorsalis. However, the ecological roles and the olfactory receptor responsible for benzothiazole are not yet fully understood. In this study, we found that adults were attracted to benzothiazole, which was an effective oviposition stimulant. In vitro experiments showed that BdorOR49b was narrowly tuned to benzothiazole. The electroantennogram results showed that knocking out BdorOR49b significantly reduced the antennal electrophysiological response to benzothiazole. Compared with wild-type flies, the attractiveness of benzothiazole to BdorOR49b knockout adult was significantly attenuated, and mutant females exhibited a severe decrease in oviposition behavior. Altogether, our work provides valuable insights into chemical communications and potential strategies for the control of this pest.
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Affiliation(s)
- Yan Zhang
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Wei Liu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Zhicai Luo
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Jinxi Yuan
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - QiQige Wuyun
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Panpan Zhang
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Qi Wang
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Minghuan Yang
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Chenhao Liu
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Shanchun Yan
- Key Laboratory of Sustainable Management of Forest Ecosystem, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Guirong Wang
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
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2
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Koptur S, Primoli AS, Neto HFP, Whitfield J. Pierid Butterflies, Legume Hostplants, and Parasitoids in Urban Areas of Southern Florida. INSECTS 2024; 15:123. [PMID: 38392542 PMCID: PMC10888611 DOI: 10.3390/insects15020123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
Are parasitoids less likely to find their Lepidoptera hosts on non-native hostplants than native hostplants? We predicted that with longer periods of coevolution between herbivores and the plants they consume, the parasitoids that provide top-down control would be more attuned to finding their hosts on native plants. To test this hypothesis, we collected immature stages of sulfur butterflies (the cloudless sulfur (Phoebis sennae) and the orange-barred sulfur (Phoebis agarithe) over a three-year period (2008-2011) from native and ornamental hostplants in the genus Senna in three different parts of the urban landscape of Miami, Florida, USA. We reared the immature specimens to pupation and either eclosion of adults or emergence of parasitoids and compared the levels of parasitization among the three areas, and among native vs. exotic hostplants. We found, contrary to our prediction, that caterpillars feeding on non-native leguminous hostplant species were more likely to be parasitized than those feeding on native hostplants. We discuss this surprising finding in the light of recent findings in other plant/herbivore/parasitoid systems.
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Affiliation(s)
- Suzanne Koptur
- Department of Biological Sciences, International Center for Tropical Botany, Institute of the Environment, Florida International University, Miami, FL 33199, USA;
| | - Andrea Salas Primoli
- Department of Biological Sciences, International Center for Tropical Botany, Institute of the Environment, Florida International University, Miami, FL 33199, USA;
| | - Hipolito Ferreira Paulino Neto
- Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil;
- Departamento de Biociências, Universidade do Estado de Minas Gerais-UEMG/Unidade Passos, Passos 37900-004, MG, Brazil
| | - James Whitfield
- Department of Entomology, University of Illinois, Urbana-Champaign, Urbana, IL 61801, USA;
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3
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Brian JI, Catford JA. A mechanistic framework of enemy release. Ecol Lett 2023; 26:2147-2166. [PMID: 37921034 DOI: 10.1111/ele.14329] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 10/03/2023] [Indexed: 11/04/2023]
Abstract
The enemy release hypothesis (ERH) is the best-known hypothesis explaining high performance (e.g. rapid population growth) of exotic species. However, the current framing of the ERH does not explicitly link evidence of enemy release with exotic performance. This leads to uncertainty regarding the role of enemy release in biological invasions. Here, we demonstrate that the effect of enemy release on exotic performance is the product of three factors: enemy impact, enemy diversity, and host adaptation. These factors are modulated by seven contexts: time since introduction, resource availability, phylogenetic relatedness of exotic and native species, host-enemy asynchronicity, number of introduction events, type of enemy, and strength of growth-defence trade-offs. ERH-focused studies frequently test different factors under different contexts. This can lead to inconsistent findings, which typifies current evidence for the ERH. For example, over 80% of meta-analyses fail to consider ecological contexts which can alter study findings; we demonstrate this by re-analysing a recent ERH synthesis. Structuring the ERH around factors and contexts promotes generalisable predictions about when and where exotic species may benefit from enemy release, empowering effective management. Our mechanistic factor-context framework clearly lays out the evidence required to support the ERH, unifies many enemy-related invasion hypotheses, and enhances predictive capacity.
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Affiliation(s)
- Joshua I Brian
- Department of Geography, King's College London, London, UK
| | - Jane A Catford
- Department of Geography, King's College London, London, UK
- Fenner School of Environment & Society, The Australian National University, Canberra, Australia
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, Parkville, Australia
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4
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Sunny A, Singh P, Diwakar S, Sharma GP. Delineating the calling pattern of Oecanthus indicus from native and non-native plant species. PeerJ 2023; 11:e16153. [PMID: 37868067 PMCID: PMC10590098 DOI: 10.7717/peerj.16153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 08/31/2023] [Indexed: 10/24/2023] Open
Abstract
The study attempted to understand the effect of the host plants on the call parameters of native tree cricket, Oecanthus indicus (Order: Orthoptera, Sub-order: Ensifera, Family: Gryllidae) while calling from native (Justicia adhatoda) and non-native host plant species (Lantana camara and Hyptis suaveolens). The study was conducted at four locations across India. Calls of O. indicus were recorded on these host plants in the field and spectral and temporal parameters of calls were analysed. The results suggested that the peak frequency varied among the two non-native plant species while the difference in temporal pattern between the native and non-native host plants was observed only in the syllable period. The study also quantified the choice of calling positions of insects from the three-host species. The native O. indicus chose non-native H. suaveolens leaves extensively as a preferable site to baffle (37%). Differences in the call parameters and choice of the host plant by insects may ultimately affect the preference and performance of insects on invasive plants. The study would aid in exploring the underlying evolutionary and ecological processes of adaptive success of insects on non-native plants.
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Affiliation(s)
- Anupam Sunny
- Department of Environmental Studies, Satyawati College, University of Delhi, Delhi, India
| | - Purnima Singh
- Department of Environmental Studies, University of Delhi, Delhi, India
| | - Swati Diwakar
- Department of Environmental Studies, University of Delhi, Delhi, India
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5
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Braga MP. Are exotic host plants a life raft or a trap for butterflies? CURRENT OPINION IN INSECT SCIENCE 2023; 58:101074. [PMID: 37290695 DOI: 10.1016/j.cois.2023.101074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
Many landscapes across the world are dominated by exotic (non-native) plant species. These plants can directly impact native species, including insect herbivores. There are many reported cases of native butterfly species using exotic host plants, and these new interactions have had diverse effects on butterfly populations. In this mini-review, I highlight recent developments in the study of the effects of exotic host plants on butterflies, focusing on two areas that have seen major advances: the genetic basis of host use and the influence of other trophic levels on butterfly-plant interactions. Understanding how these multiple factors interact is a key outstanding question for better predicting if an exotic plant might be a trap or a life raft for a herbivorous insect.
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Affiliation(s)
- Mariana P Braga
- Department of Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden; HiLIFE, University of Helsinki, Helsinki, Finland.
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6
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Costan CA, Godsoe W, Bufford JL, Hulme PE. Comparing the Above and Below-Ground Chemical Defences of Three Rumex Species Between Their Native and Introduced Provenances. J Chem Ecol 2023; 49:276-286. [PMID: 37121960 PMCID: PMC10495513 DOI: 10.1007/s10886-023-01427-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/08/2023] [Accepted: 04/12/2023] [Indexed: 05/02/2023]
Abstract
Compared to their native range, non-native plants often experience reduced levels of herbivory in the introduced range. This may result in reduced pressure to produce chemical defences that act against herbivores. We measured the most abundant secondary metabolites found in Rumex spp., namely oxalates, phenols and tannins. To test this hypothesis, we compared native (UK) and introduced (NZ) provenances of three different Rumex species (R. obtusifolius, R. crispus and R. conglomeratus, Polygonaceae) to assess whether any significant differences existed in their levels of chemical defences in either leaves and roots. All three species have previously been shown to support a lower diversity of insect herbivores and experience less herbivory in the introduced range. We further examined leaf herbivory on plants from both provenances when grown together in a common garden experiment in New Zealand to test whether any differences in damage might be consistent with variation in the quantity of chemical defences. We found that two Rumex species (R. obtusifolius and R. crispus) showed no evidence for a reduction in chemical defences, while a third (R. conglomeratus) showed only limited evidence. The common garden experiment revealed that the leaves analysed had low levels of herbivory (~ 0.5%) with no differences in damage between provenances for any of the three study species. Roots tended to have a higher concentration of tannins than shoots, but again showed no difference between the provenances. As such, the findings of this study provide no evidence for lower plant investments in chemical defences, suggesting that other factors explain the success of Rumex spp. in New Zealand.
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Affiliation(s)
- Cristian-Andrei Costan
- Bio-Protection Research Centre, Lincoln, Canterbury 7647 New Zealand
- Foundation for Arable Research, Templeton, Canterbury 7678 New Zealand
| | - William Godsoe
- Bio-Protection Research Centre, Lincoln, Canterbury 7647 New Zealand
| | - Jennifer L. Bufford
- Bio-Protection Research Centre, Lincoln, Canterbury 7647 New Zealand
- Manaaki Whenua – Landcare Research, Lincoln, Canterbury 7647 New Zealand
| | - Philip E. Hulme
- Bio-Protection Research Centre, Lincoln, Canterbury 7647 New Zealand
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7
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Muchoney ND, Bowers MD, Carper AL, Teglas MB, Smilanich AM. Use of an exotic host plant reduces viral burden in a native insect herbivore. Ecol Lett 2023; 26:425-436. [PMID: 36688250 DOI: 10.1111/ele.14162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 12/16/2022] [Indexed: 01/24/2023]
Abstract
Incorporation of exotic plants into the diets of native herbivores is a common phenomenon, influencing interactions with natural enemies and providing insight into the tritrophic costs and benefits of dietary expansion. We evaluated how use of an exotic plant, Plantago lanceolata, impacted immune performance, development and susceptibility to pathogen infection in the neotropical herbivore Anartia jatrophae (Lepidoptera: Nymphalidae). Caterpillars were reared on P. lanceolata or a native plant, Bacopa monnieri, and experimentally infected with a pathogenic virus, Junonia coenia densovirus. We found that virus-challenged herbivores exhibited higher survival rates and lower viral burdens when reared on P. lanceolata compared to B. monnieri, though immune performance and development time were largely similar on the two plants. These findings reveal that use of an exotic plant can impact the vulnerability of a native herbivore to pathogen infection, suggesting diet-mediated protection against disease as a potential mechanism facilitating the incorporation of novel resources.
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Affiliation(s)
- Nadya D Muchoney
- Program in Ecology, Evolution, and Conservation Biology, University of Nevada, Reno, Nevada, USA.,Department of Biology, University of Nevada, Reno, Nevada, USA
| | - M Deane Bowers
- Department of Ecology and Evolutionary Biology & Museum of Natural History, University of Colorado, Boulder, Colorado, USA
| | - Adrian L Carper
- Department of Ecology and Evolutionary Biology & Museum of Natural History, University of Colorado, Boulder, Colorado, USA
| | - Mike B Teglas
- Program in Ecology, Evolution, and Conservation Biology, University of Nevada, Reno, Nevada, USA.,Department of Agriculture, Veterinary and Rangeland Sciences, University of Nevada, Nevada, Reno, USA
| | - Angela M Smilanich
- Program in Ecology, Evolution, and Conservation Biology, University of Nevada, Reno, Nevada, USA.,Department of Biology, University of Nevada, Reno, Nevada, USA
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8
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Walsh GC, Sosa AJ, Mc Kay F, Maestro M, Hill M, Hinz HL, Paynter Q, Pratt PD, Raghu S, Shaw R, Tipping PW, Winston RL. Is Biological Control of Weeds Conservation’s Blind Spot? THE QUARTERLY REVIEW OF BIOLOGY 2023. [DOI: 10.1086/723930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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9
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Holmquist AJ, Adams SA, Gillespie RG. Invasion by an ecosystem engineer changes biotic interactions between native and non-native taxa. Ecol Evol 2023; 13:e9820. [PMID: 36844666 PMCID: PMC9943940 DOI: 10.1002/ece3.9820] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 02/24/2023] Open
Abstract
Earth systems are nearing a global tipping point, beyond which the dynamics of biological communities will become unstable. One major driver of instability is species invasion, especially by organisms that act as "ecosystem engineers" through their modification of abiotic and biotic factors. To understand how native organisms respond to modified habitat, it is essential to examine biological communities within invaded and non-invaded habitat, identifying compositional shifts in native and non-native taxa as well as measuring how modification by ecosystem engineers has affected interactions among community members. Using dietary metabarcoding, our study examines the response of a native Hawaiian generalist predator (Araneae: Pagiopalus spp.) to habitat modification by comparing biotic interactions across metapopulations of spiders collected in native forest and sites invaded by kāhili ginger. Our study shows that, although there are shared components of the dietary community, spiders in invaded habitat are eating a less consistent and more diverse diet consisting of more non-native arthropods which are rarely or entirely undetected in spiders collected from native forest. Additionally, the frequency of novel interactions with parasites was significantly higher in invaded sites, reflected by the frequency and diversity of non-native Hymenoptera parasites and entomopathogenic fungi. The study highlights the role of habitat modification driven by an invasive plant in altering community structure and biotic interactions, threatening the stability of the ecosystem through significant changes to the biotic community.
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Affiliation(s)
- Anna J. Holmquist
- Department of Environmental Science, Policy and ManagementUniversity of California: BerkeleyBerkeleyCaliforniaUSA
| | - Seira A. Adams
- Department of Environmental Science, Policy and ManagementUniversity of California: BerkeleyBerkeleyCaliforniaUSA
| | - Rosemary G. Gillespie
- Department of Environmental Science, Policy and ManagementUniversity of California: BerkeleyBerkeleyCaliforniaUSA
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10
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Mitchell JC, D’Amico V, Trammell TLE, Frank SD. Carabid specialists respond differently to nonnative plant invasion in urban forests. Urban Ecosyst 2023. [DOI: 10.1007/s11252-022-01323-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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11
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Wiatrowska B, Kurek P, Moroń D, Celary W, Chrzanowski A, Trzciński P, Piechnik Ł. Linear scaling – negative effects of invasive Spiraea tomentosa (Rosaceae) on wetland plants and pollinator communities. NEOBIOTA 2023. [DOI: 10.3897/neobiota.81.95849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Invasive plants directly and indirectly disrupt the ecosystem functioning, of which indirect effects, for example, through trophic cascades, are particularly difficult to predict. It is frequently assumed that the impact of an invading species on the ecosystem is proportional (linearly related) to its density or abundance in a habitat, but this assumption has rarely been tested. We hypothesised that abundance and richness of plants and potentially pollinators of wet meadows change as a result of invasion of steeplebush Spiraea tomentosa and that these changes are proportional to the density of the shrub. We selected 27 sites amongst wet meadows habitats invaded by S. tomentosa with coverage ranging from 0% to 100% and examined the diversity of plants, as well as the abundance and diversity of flower visitors (bees, butterflies with moths and flies). Our results showed that the richness of plants, as well as the richness and number of individuals of flower visitors, decrease significantly and linearly with an increase of the S. tomentosa cover. This finding supports the hypothesis that the impact of an invasive species can be proportional to their population density, especially if this species is limiting the available resources without supplying others. Our study is the first to show such an unequivocal negative, linear effect of an invasive shrub on the abundance and richness of potential pollinators. It proves that the negative impact of S. tomentosa on the wetland ecosystem appears even with a minor coverage of the invader, which should be taken into account when planning activities aimed at controlling the population of this transformer species. The simultaneously detected linear dependence allows us to assume that the benefits of controlling secondary populations of the shrub can be proportional to the incurred effort.
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12
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Exploring plant volatile-mediated interactions between native and introduced plants and insects. Sci Rep 2022; 12:15450. [PMID: 36104363 PMCID: PMC9474884 DOI: 10.1038/s41598-022-18479-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/12/2022] [Indexed: 11/08/2022] Open
Abstract
AbstractIn invasion scenarios, native and introduced species co-occur creating new interactions and modifying existing ones. Many plant–plant and plant–insect interactions are mediated by volatile organic compounds (VOCs), however, these have seldom been studied in an invasion context. To fill this knowledge gap, we explored some interactions mediated by VOCs between native and introduced plants and insects in a New Zealand system. We investigated whether a native plant, Leptospermum scoparium (mānuka), changes its volatile profile when grown adjacent to two European introduced plants, Calluna vulgaris (heather) and Cytisus scoparius (Scotch broom), in a semi-field trial using potted plants without above- or below-ground physical contact. We also investigated the influence of plant cues on the host-searching behaviour of two beetles, the native Pyronota festiva (mānuka beetle), and the introduced biocontrol agent Lochmaea suturalis (heather beetle), by offering them their host-plant and non-host volatiles versus clean air, and their combination in a Y-tube olfactometer. As a follow-up, we performed preference/feeding tests in Petri dishes with fresh plant material. Results of the semi-field experiment show a significant reduction in green leaf volatiles, sesquiterpenes and total volatile emissions by mānuka plants neighbouring heather. In the Y-tube assays, the native beetle P. festiva performed poorly in discriminating between host and non-host plants based on plant volatile cues only. However, it performed relatively well in the Petri dish tests, where other cues (i.e., visual, gustatory or tactile) were present. In contrast, the introduced beetle L. suturalis showed high host-specificity in both Y-tube and Petri dish assays. This study illustrates the importance of VOCs in mediating interactions between introduced and native species, suggesting that invasive plants can disrupt native plants’ communication and affect the host-searching behaviour of native insects. It also reinforces the relevance of regular host testing on introduced weed biocontrol agents to avoid unwanted host shifts or host-range expansion.
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13
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Korányi D, Egerer M, Rusch A, Szabó B, Batáry P. Urbanization hampers biological control of insect pests: A global meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 834:155396. [PMID: 35460770 DOI: 10.1016/j.scitotenv.2022.155396] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/25/2022] [Accepted: 04/15/2022] [Indexed: 05/25/2023]
Abstract
Biological control is a major ecosystem service provided by pest natural enemies, even in densely populated areas where the use of pesticides poses severe risks to human and environmental health. However, the impact of urbanization on this service and the abundance patterns of relevant functional groups of arthropods (herbivores, predators, and parasitoids) remain contested. Here, we synthesize current evidence through three hierarchical meta-analyses and show that advancing urbanization leads to outbreaks of sap-feeding insects, declining numbers of predators with low dispersal abilities, and weakened overall biological pest control delivered by arthropods. Our results suggest that sedentary predators may have the potential to effectively regulate sap-feeders, that are one of the most important pests in urban environments. A well-connected network of structurally diverse and rich green spaces with less intensive management practices is needed to promote natural plant protection in urban landscapes and sustainable cities.
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Affiliation(s)
- Dávid Korányi
- Centre for Ecological Research, Institute of Ecology and Botany, "Lendület" Landscape and Conservation Ecology, Alkotmány u. 2-4, 2163 Vácrátót, Hungary.
| | - Monika Egerer
- Technische Universität München, Department of Life Science Systems, School of Life Sciences, Hans Carl-von-Carlowitz-Platz 2, 85354 Freising, Germany
| | - Adrien Rusch
- INRAE, UMR 1065 Santé et Agroécologie du Vignoble, ISVV, Université de Bordeaux, Bordeaux Sciences Agro, Villenave d'Ornon, France
| | - Borbála Szabó
- Centre for Ecological Research, Institute of Ecology and Botany, "Lendület" Landscape and Conservation Ecology, Alkotmány u. 2-4, 2163 Vácrátót, Hungary
| | - Péter Batáry
- Centre for Ecological Research, Institute of Ecology and Botany, "Lendület" Landscape and Conservation Ecology, Alkotmány u. 2-4, 2163 Vácrátót, Hungary
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14
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Bras A, Roy A, Heckel DG, Anderson P, Karlsson Green K. Pesticide resistance in arthropods: Ecology matters too. Ecol Lett 2022; 25:1746-1759. [PMID: 35726578 PMCID: PMC9542861 DOI: 10.1111/ele.14030] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/12/2022] [Accepted: 05/03/2022] [Indexed: 12/22/2022]
Abstract
Pesticide resistance development is an example of rapid contemporary evolution that poses immense challenges for agriculture. It typically evolves due to the strong directional selection that pesticide treatments exert on herbivorous arthropods. However, recent research suggests that some species are more prone to evolve pesticide resistance than others due to their evolutionary history and standing genetic variation. Generalist species might develop pesticide resistance especially rapidly due to pre‐adaptation to handle a wide array of plant allelochemicals. Moreover, research has shown that adaptation to novel host plants could lead to increased pesticide resistance. Exploring such cross‐resistance between host plant range evolution and pesticide resistance development from an ecological perspective is needed to understand its causes and consequences better. Much research has, however, been devoted to the molecular mechanisms underlying pesticide resistance while both the ecological contexts that could facilitate resistance evolution and the ecological consequences of cross‐resistance have been under‐studied. Here, we take an eco‐evolutionary approach and discuss circumstances that may facilitate cross‐resistance in arthropods and the consequences cross‐resistance may have for plant–arthropod interactions in both target and non‐target species and species interactions. Furthermore, we suggest future research avenues and practical implications of an increased ecological understanding of pesticide resistance evolution.
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Affiliation(s)
- Audrey Bras
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden.,Faculty of Forestry and Wood Sciences, EXTEMIT-K and EVA.4.0 Unit, Czech University of Life Sciences, Suchdol, Czech Republic
| | - Amit Roy
- Faculty of Forestry and Wood Sciences, EXTEMIT-K and EVA.4.0 Unit, Czech University of Life Sciences, Suchdol, Czech Republic
| | - David G Heckel
- Max Planck Institute for Chemical Ecology, Jena, Germany
| | - Peter Anderson
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Kristina Karlsson Green
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden
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15
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Cornelius ML, Haber AI, Weber DC. Host Finding Behavior of the Parasitoid Hadronotus pennsylvanicus (Hymenoptera: Scelionidae) for Egg Masses of the Squash Bugs Anasa tristis and Anasa armigera (Hemiptera: Coreidae) in Squash and Cucumber Fields. ENVIRONMENTAL ENTOMOLOGY 2022; 51:537-544. [PMID: 35429162 DOI: 10.1093/ee/nvac018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Indexed: 06/14/2023]
Abstract
Parasitoid foraging behavior is affected by habitat and host plant differences. Egg parasitoids also use a combination of oviposition-induced and host-derived cues to find host eggs. This study compared parasitism by Hadronotus pennsylvanicus (Ashmead) (Hymenoptera: Scelionidae) on two squash bug species, Anasa tristis (DeGeer) and Anasa armigera Say (Hemiptera: Coreidae), by placing sentinel squash and cucumber plants with egg masses of either of the two squash bug species in squash and cucumber fields in a 3-way factorial design. Host density of wild A. tristis egg masses in squash fields may have influenced parasitoid foraging behavior on sentinel plants. In the 3-way factorial design, parasitism was higher on sentinel squash plants and in squash fields overall. However, parasitism on A. armigera egg masses was highest on sentinel cucumber plants in squash fields and parasitism on A. tristis egg masses was higher on sentinel squash plants in either squash or cucumber fields and lowest on sentinel cucumber plants in cucumber fields. Results suggest that parasitoids were able to specifically orient to the combination of host plant and host cues associated with A. tristis egg masses on sentinel squash plants, but that they were more responsive to plant-induced cues associated with cucumber when searching for A. armigera egg masses. Parasitoids appear to utilize different combinations of host plant and host cues when searching for eggs of the two squash bug species.
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Affiliation(s)
- Mary L Cornelius
- Invasive Insect Biocontrol and Behavior Laboratory, USDA Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD 20705, USA
| | - Ariela I Haber
- Invasive Insect Biocontrol and Behavior Laboratory, USDA Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD 20705, USA
- Invasive Insect Biocontrol and Behavior Laboratory, USDA Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD 20705, USA
| | - Donald C Weber
- Invasive Insect Biocontrol and Behavior Laboratory, USDA Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD 20705, USA
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16
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Burrow A, Maerz J. How plants affect amphibian populations. Biol Rev Camb Philos Soc 2022; 97:1749-1767. [PMID: 35441800 DOI: 10.1111/brv.12861] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 11/28/2022]
Abstract
Descriptions of amphibian habitat, both aquatic and terrestrial, often include plants as characteristics but seldom is it understood whether and how those plants affect amphibian ecology. Understanding how plants affect amphibian populations is needed to develop strategies to combat declines of some amphibian populations. Using a systematic approach, we reviewed and synthesized available literature on the effects of plants on pond-breeding amphibians during the aquatic and terrestrial stages of their life cycle. Our review highlights that plant communities can strongly influence the distribution, abundance, and performance of amphibians in multiple direct and indirect ways. We found three broad themes of plants' influence on amphibians: plants can affect amphibians through effects on abiotic conditions including the thermal, hydric, and chemical aspects of an amphibian's environment; plants can have large effects on aquatic life stages through effects on resource quality and abundance; and plants can modify the nature and strength of interspecific interactions between amphibians and other species - notably predators. We synthesized insights gained from the literature to discuss how plant community management fits within efforts to manage amphibian populations and to guide future research efforts. While some topical areas are well researched, we found a general lack of mechanistic and trait-based work which is needed to advance our understanding of the drivers through which plants influence amphibian ecology. Our literature review reveals the substantial role that plants can have on amphibian ecology and the need for integrating plant and amphibian ecology to improve research and management outcomes for amphibians.
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Affiliation(s)
- Angela Burrow
- Warnell School of Forestry and Natural Resources, University of Georgia, 180 E Green Street, Athens, GA, 30602-2152, U.S.A
| | - John Maerz
- Warnell School of Forestry and Natural Resources, University of Georgia, 180 E Green Street, Athens, GA, 30602-2152, U.S.A
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17
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Obligations of Researchers and Managers to Respect Wetlands: Practical Solutions to Minimizing Field Monitoring Impacts. LAND 2022. [DOI: 10.3390/land11040481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Research and field monitoring can disturb wetland integrity. Adoption of ethical field practices is needed to limit monitoring induced stressors such as trampling, non-native seed and invertebrate dispersal, and disease and fungal spread. We identify a linear pathway of deterioration highlighting stressors that can progress to cumulative impacts, consequences, and losses at the site scale. The first step to minimize disturbance is to assess and classify the current ecosystem quality. We present a tiered framework for wetland classification and link preventative measures to the wetland tier. Preventative measures are recommended at various intensities respective to the wetland tier, with higher tiered wetlands requiring more intense preventative measures. In addition, preventative measures vary by time of implementation (before, during, and after the wetland visit) to mitigate impacts at various temporal scales. The framework is designed to increase transparency of field monitoring impacts and to promote the adoption of preventative measures. Implementing preventative measures can build accountability and foster a greater appreciation for our roles as researchers and managers in protecting wetlands.
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18
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Muchoney ND, Bowers MD, Carper AL, Mason PA, Teglas MB, Smilanich AM. Use of an exotic host plant shifts immunity, chemical defense, and viral burden in wild populations of a specialist insect herbivore. Ecol Evol 2022; 12:e8723. [PMID: 35342612 PMCID: PMC8928866 DOI: 10.1002/ece3.8723] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 02/08/2022] [Accepted: 02/11/2022] [Indexed: 12/31/2022] Open
Affiliation(s)
- Nadya D. Muchoney
- Program in Ecology, Evolution, and Conservation Biology University of Nevada Reno Nevada USA
- Department of Biology University of Nevada Reno Nevada USA
| | - M. Deane Bowers
- Department of Ecology and Evolutionary Biology & Museum of Natural History University of Colorado Boulder Colorado USA
| | - Adrian L. Carper
- Department of Ecology and Evolutionary Biology & Museum of Natural History University of Colorado Boulder Colorado USA
| | - Peri A. Mason
- Department of Ecology and Evolutionary Biology & Museum of Natural History University of Colorado Boulder Colorado USA
| | - Mike B. Teglas
- Program in Ecology, Evolution, and Conservation Biology University of Nevada Reno Nevada USA
- Department of Agriculture, Veterinary and Rangeland Sciences University of Nevada Reno Nevada USA
| | - Angela M. Smilanich
- Program in Ecology, Evolution, and Conservation Biology University of Nevada Reno Nevada USA
- Department of Biology University of Nevada Reno Nevada USA
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19
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Lu K, Han G, Wu H. Effects of
Spartina alterniflora
invasion on the benthic invertebrate community in intertidal wetlands. Ecosphere 2022. [DOI: 10.1002/ecs2.3963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Kangle Lu
- Key Laboratory of Wetland Ecology and Environment Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences Changchun China
- University of Chinese Academy of Sciences Beijing China
| | - Guangxuan Han
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences Yantai China
- Yellow River Delta Field Observation and Research Station of Coastal Wetland Ecosystem, Chinese Academy of Sciences Dongying China
| | - Haitao Wu
- Key Laboratory of Wetland Ecology and Environment Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences Changchun China
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20
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Improving Natural Enemy Selection in Biological Control through Greater Attention to Chemical Ecology and Host-Associated Differentiation of Target Arthropod Pests. INSECTS 2022; 13:insects13020160. [PMID: 35206733 PMCID: PMC8877252 DOI: 10.3390/insects13020160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 12/04/2022]
Abstract
Host-associated differentiation (HAD) refers to cases in which genetically distinct populations of a species (e.g., herbivores or natural enemies) preferentially reproduce or feed on different host species. In agroecosystems, HAD often results in unique strains or biotypes of pest species, each attacking different species of crops. However, HAD is not restricted to pest populations, and may cascade to the third trophic level, affecting host selection by natural enemies, and ultimately leading to HAD within natural enemy species. Natural enemy HAD may affect the outcomes of biological control efforts, whether classical, conservation, or augmentative. Here, we explore the potential effects of pest and natural enemy HAD on biological control in agroecosystems, with emphases on current knowledge gaps and implications of HAD for selection of biological control agents. Additionally, given the importance of semiochemicals in mediating interactions between trophic levels, we emphasize the role of chemical ecology in interactions between pests and natural enemies, and suggest areas of consideration for biological control. Overall, we aim to jump-start a conversation concerning the relevance of HAD in biological control by reviewing currently available information on natural enemy HAD, identifying challenges to incorporating HAD considerations into biological control efforts, and proposing future research directions on natural enemy selection and HAD.
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21
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Ode PJ, Vyas DK, Harvey JA. Extrinsic Inter- and Intraspecific Competition in Parasitoid Wasps. ANNUAL REVIEW OF ENTOMOLOGY 2022; 67:305-328. [PMID: 34614367 DOI: 10.1146/annurev-ento-071421-073524] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The diverse ecology of parasitoids is shaped by extrinsic competition, i.e., exploitative or interference competition among adult females and males for hosts and mates. Adult females use an array of morphological, chemical, and behavioral mechanisms to engage in competition that may be either intra- or interspecific. Weaker competitors are often excluded or, if they persist, use alternate host habitats, host developmental stages, or host species. Competition among adult males for mates is almost exclusively intraspecific and involves visual displays, chemical signals, and even physical combat. Extrinsic competition influences community structure through its role in competitive displacement and apparent competition. Finally, anthropogenic changes such as habitat loss and fragmentation, invasive species, pollutants, and climate change result in phenological mismatches and range expansions within host-parasitoid communities with consequent changes to the strength of competitive interactions. Such changes have important ramifications not only for the success of managed agroecosystems, but also for natural ecosystem functioning.
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Affiliation(s)
- Paul J Ode
- Graduate Degree Program in Ecology, Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado 80523, USA;
| | - Dhaval K Vyas
- Department of Biological Sciences, University of Denver, Denver, Colorado 80208, USA
| | - Jeffrey A Harvey
- Department of Terrestrial Ecology, Netherlands Institute of Ecology, 6708 PB Wageningen, The Netherlands
- Animal Ecology Section, Department of Ecological Sciences, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
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22
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23
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Sun X, Li H, Zhang A, Hirka A, Csóka G, Pearse IS, Holyoak M, Xiao Z. An intercontinental comparison of insect seed predation between introduced and native oaks. Integr Zool 2021; 17:217-230. [PMID: 34796655 DOI: 10.1111/1749-4877.12609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Novel interactions between introduced oaks and their natural enemies across different continents provide an opportunity to test the enemy release hypothesis (ERH) at local and global scales. Based on the ERH, we assessed the impacts of native seed-feeding insects on introduced and native oaks within and among continents. We combined a common-garden experiment in China and biogeographic literature surveys to measure seed predation by insects and the proportion of acorn embryos surviving after insect infestation among 4 oak species with different geographical origins: Quercus mongolica origin from China, Q. robur and Q. petraea from Europe, and Q. rubra from North America. Mostly supporting the ERH, oaks in introduced continents escaped seed predation compared to those in native continents and compared to other native oaks in introduced continents. Common-garden comparisons showed that total acorn infestation rate of introduced Q. rubra (section Lobatae) was considerably lower than that of native oaks (section Quercus) in China and Europe, likely because of the differences in seed traits associated with different oak sections. Literature surveys showed that seed predation of introduced oaks was lower in the introduced continent than in the native continent. Embryo survival was higher in introduced Q. rubra than native oaks in China and Poland. However, insect seed predation of recently introduced Q. rubra in China was similar to that in Europe, which is not consistent with the ERH. Our results suggest that reduced acorn attack by native insects and higher embryo survival after acorn damage could increase the establishment success or invasion risk of introduced oaks in non-native continents.
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Affiliation(s)
- Xin Sun
- State Key Laboratory of Integrated Management of Pest Insects and Rodents in Agriculture, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute of Physical Science and Information Technology, Anhui University, 111 Jiulong Road, Hefei, Anhui, China
| | - Haidong Li
- State Key Laboratory of Integrated Management of Pest Insects and Rodents in Agriculture, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Aibing Zhang
- College of Life Sciences, Capital Normal University, Beijing, China
| | - Anikó Hirka
- Department of Forest Protection, NARIC Forest Research Institute, Hungary
| | - György Csóka
- Department of Forest Protection, NARIC Forest Research Institute, Hungary
| | - Ian S Pearse
- U.S. Geological Survey, Fort Collins Science Center, Fort Collins, CO, USA
| | - Marcel Holyoak
- Department of Environmental Science and Policy, University of California, Davis, CA, USA
| | - Zhishu Xiao
- State Key Laboratory of Integrated Management of Pest Insects and Rodents in Agriculture, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
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24
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Ning Z, Chen C, Xie T, Zhu Z, Wang Q, Cui B, Bai J. Can the native faunal communities be restored from removal of invasive plants in coastal ecosystems? A global meta-analysis. GLOBAL CHANGE BIOLOGY 2021; 27:4644-4656. [PMID: 34170600 DOI: 10.1111/gcb.15765] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
Coastal ecosystems worldwide are being threatened by invasive plants in the context of global changes. However, how invasive plants influence native faunal communities and whether native faunal communities can recover following the invader removals/controls across global coastal ecosystems are still poorly understood. Here, we present the first global meta-analysis to quantify the impacts of Spartina species invasions on coastal faunal communities and further to evaluate the outcomes of Spartina species removals on faunal community recovery based on 74 independent studies. We found that invasive Spartina species generally decreased the biodiversity (e.g., species richness), but increased coastal faunal abundance (e.g., individual number) and fitness (e.g., biomass), though the effect on abundance was insignificant. The pattern of influence was strongly dependent on habitat types, faunal taxa, trophic levels, and feeding types. Specifically, Spartina species invasion of mudflats caused greater impacts than invasion of vegetated habitats. Insects and birds at higher trophic levels were strongly affected by invasive Spartina, indicating that invasive plant effects can cascade upward along the food chain. Additionally, impacts of Spartina invasions were more obvious on food specialists such as herbivores and carnivores. Furthermore, our analyses revealed that invader removals were overall beneficial for native faunal communities to recover from the displacement caused by Spartina invasions, but this recovery process depended on specific removal measure and time. For example, the long-term waterlogging had strong negative impacts on faunal recovery, so it should not be encouraged. Our findings suggest that invasive plants could have contrasting effects on functional responses of native faunal communities. Although invasive plant removals could restore native faunal communities, future functional restorations of invaded ecosystems should take the legacy effects of invasive species on native communities into account. These findings provide insightful implications for future scientific controls of invasive species and ecosystem restoration under intensifying global changes.
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Affiliation(s)
- Zhonghua Ning
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Yellow River Estuary Wetland Ecosystem Observation and Research Station, Ministry of Education, Shandong, China
| | - Cong Chen
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Research and Development Center for Watershed Environmental Eco-Engineering, Advanced Institute of Natural Science, Beijing Normal University at Zhuhai, Guangdong, China
| | - Tian Xie
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Yellow River Estuary Wetland Ecosystem Observation and Research Station, Ministry of Education, Shandong, China
| | - Zhenchang Zhu
- Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangdong, China
| | - Qing Wang
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Research and Development Center for Watershed Environmental Eco-Engineering, Advanced Institute of Natural Science, Beijing Normal University at Zhuhai, Guangdong, China
| | - Baoshan Cui
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Yellow River Estuary Wetland Ecosystem Observation and Research Station, Ministry of Education, Shandong, China
| | - Junhong Bai
- School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing, China
- Yellow River Estuary Wetland Ecosystem Observation and Research Station, Ministry of Education, Shandong, China
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25
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Terrestrial insect herbivore communities of riparian zone in urban ecological river, Korea. JOURNAL OF ASIA-PACIFIC BIODIVERSITY 2021. [DOI: 10.1016/j.japb.2021.03.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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26
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Liu M, Pan Y, Pan X, Sosa A, Blumenthal DM, Van Kleunen M, Li B. Plant invasion alters latitudinal pattern of plant-defense syndromes. Ecology 2021; 102:e03511. [PMID: 34355383 DOI: 10.1002/ecy.3511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 04/08/2021] [Accepted: 05/17/2021] [Indexed: 11/07/2022]
Abstract
The relationship between herbivory and latitude may differ between native and introduced populations of invasive plants, which can generate latitudinal heterogeneity in the strength of enemy release. However, still little is known about how latitudinal heterogeneity in herbivore pressure influences latitudinal variation in defense phenotypes of invasive plants. We tested how latitudinal patterns in multi-variate defense syndromes differed between native (Argentinian) and introduced (Chinese) populations of the invasive herb Alternanthera philoxeroides. In addition, to better understand the drivers underlying latitudinal patterns, we also tested whether associations of defense syndromes with climate and herbivory differed between native and introduced ranges. We found that native plant populations clustered into three main defense syndromes associated with latitude. In contrast, we only found two defense syndromes in the introduced range. One matched the high-latitude syndrome from the native range, but was distributed at both the northern and southern range limits in the introduced range. The other was unique to the introduced range and occurred at mid-latitudes. Climatic conditions were associated with variation in syndromes in the native range, and climatic conditions and herbivory were associated with variation in syndromes in the introduced range. Together, our results demonstrate that plants may under the new environmental conditions in the introduced range show latitudinal patterns of defense syndromes that are different from those in their native range. This emphasizes that geographical dependence of population differentiation should be explicitly considered in studies on the evolution of defense in invasive plants.
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Affiliation(s)
- Mu Liu
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Institute of Biodiversity Science and Institute of Eco-Chongming, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Yuanfei Pan
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Institute of Biodiversity Science and Institute of Eco-Chongming, School of Life Sciences, Fudan University, Shanghai, 200438, China.,School of Public Health, Fudan University, Shanghai, 200032, China
| | - Xiaoyun Pan
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Institute of Biodiversity Science and Institute of Eco-Chongming, School of Life Sciences, Fudan University, Shanghai, 200438, China.,Research Center for Ecology, College of Science, Tibet University, Lhasa, 850000, China.,Tibet University - Fudan University Joint Laboratory for Biodiversity and Global Change, Fudan University, Shanghai, 200438, China
| | - Alejandro Sosa
- Fundación para el Estudio de Especies Invasivas (FuEDEI), Hurlingham, Buenos Aires, 999071, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, 999071, Argentina
| | - Dana M Blumenthal
- Rangeland Resources & Systems Research Unit, USDA Agricultural Research Service, Fort Collins, Colorado, 80526, USA
| | - Mark Van Kleunen
- Ecology, Department of Biology, University of Konstanz, Konstanz, 78464, Germany.,Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, China
| | - Bo Li
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Institute of Biodiversity Science and Institute of Eco-Chongming, School of Life Sciences, Fudan University, Shanghai, 200438, China
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27
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Wang Z, Zhao L, Liu J, Yang Y, Shi J, Wen J, Gao R. Functional relationship between woody plants and insect communities in response to Bursaphelenchus xylophilus infestation in the Three Gorges Reservoir region. Ecol Evol 2021; 11:8843-8855. [PMID: 34257932 PMCID: PMC8258193 DOI: 10.1002/ece3.7716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/05/2021] [Accepted: 05/10/2021] [Indexed: 11/11/2022] Open
Abstract
To study the effect of the invasion of Bursaphelenchus xylophilus on the functional relationship between woody plants and insect communities, the populations of tree species and insect communities were investigative in the Masson pine forests with different infestation durations of B. xylophilus. In this study, the number of Pinus massoniana began to decrease sharply, whereas the total number of other tree species in the arboreal layer increased gradually with the infestation duration of B. xylophilus. The principal component analysis ordination biplot shows that there was a significant change in the spatial distribution of woody plant species in different Masson pine forest stands. Additionally, a total of 7,188 insect specimens were obtained. The insect population showed an upward trend in stand types with the increase of pine wilt disease infection periods, which demonstrated that the insect community had been significantly affected by the invasion of B. xylophilus. However, the insect diversity indexes were not significantly different among Masson pine forest stands. The structure of insect functional groups changed from herbivorous (He) > omnivorous (Om) > predatory (Pr) > parasitic (Pa) > detritivorous (De) in the control stand to He > Pa > Om, De > Pr after B. xylophilus infestation in the forests. The results showed that the populations of He, Pa, and De increased after the invasion of B. xylophilus, but the populations of Pr decreased. Moreover, the redundancy analysis ordination biplots reflected the complicated functional relationship between woody plant communities and insects after the invasion of B. xylophilus. The present study provides insights into the changes in the community structure of woody plants and insects, as well as the functional relationship between woody plant communities and insect communities after invasion of B. xylophilus.
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Affiliation(s)
- Zhuang Wang
- Beijing Key Laboratory for Forest Pest ControlCollege of ForestryBeijing Forestry UniversityBeijingChina
| | - Lijuan Zhao
- College of MarxismShanxi Agricultural UniversityTaiguChina
| | - Jiaqi Liu
- College of ForestryShanxi Agricultural UniversityTaiguChina
| | - Yajie Yang
- College of ForestryShanxi Agricultural UniversityTaiguChina
| | - Juan Shi
- Beijing Key Laboratory for Forest Pest ControlCollege of ForestryBeijing Forestry UniversityBeijingChina
| | - Junbao Wen
- Beijing Key Laboratory for Forest Pest ControlCollege of ForestryBeijing Forestry UniversityBeijingChina
| | - Ruihe Gao
- College of ForestryShanxi Agricultural UniversityTaiguChina
- Shanxi Dangerous Forest Pest Inspection and Identification CenterTaiguShanxiChina
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28
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Ferreira PPDS, Rodrigues D. Performance of Danaini larvae is affected by both exotic host plants and abiotic conditions. Ecol Evol 2021; 11:9876-9886. [PMID: 34306670 PMCID: PMC8293738 DOI: 10.1002/ece3.7821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/31/2021] [Accepted: 06/06/2021] [Indexed: 12/03/2022] Open
Abstract
The consequences of the introduction of invasive plants for the diet of herbivorous insects have been little explored in nature where, potentially, abiotic and biotic factors operate. In this study, we examined the larval performance of two Neotropical Danaini butterflies when using either a native or an exotic Apocynaceae species as host plant in both field and laboratory experiments. Hosts greatly differ in their amount of latex exudation and other physicochemical traits, as well as in the amount of evolutionary time they have interacted with herbivores. First, herbivore performance on the hosts was investigated under laboratory conditions. Larvae of both Danaini species took more time to develop on the exotic host; larval survivorship did not vary between hosts. Second, first instar survivorship on both hosts was evaluated in two field sites, one site per host. To do so, in both sites half of the larvae were bagged (protected against both abiotic and biotic factors) while the remainder were nonbagged (exposed). The interaction between larval exposure with the use of the exotic host reduced larval survival. We concluded that the combined effects of host plant traits and abiotic factors reduced survival of herbivores in field conditions. Therefore, the performance of herbivores when using hosts of different origins should be considered together with the multiple ecological factors found in natural environments, as these factors can modify the result of plant-herbivore interactions.
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Affiliation(s)
- Pedro Paulo da Silva Ferreira
- Programa de Pós‐Graduação em EcologiaInstituto de BiologiaUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
| | - Daniela Rodrigues
- Programa de Pós‐Graduação em EcologiaInstituto de BiologiaUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
- Laboratório de Interações Inseto‐PlantaDepartamento de EcologiaInstituto de BiologiaUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
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29
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Allen WJ, Waller LP, Barratt BIP, Dickie IA, Tylianakis JM. Exotic plants accumulate and share herbivores yet dominate communities via rapid growth. Nat Commun 2021; 12:2696. [PMID: 33976206 PMCID: PMC8113582 DOI: 10.1038/s41467-021-23030-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 04/07/2021] [Indexed: 11/08/2022] Open
Abstract
Herbivores may facilitate or impede exotic plant invasion, depending on their direct and indirect interactions with exotic plants relative to co-occurring natives. However, previous studies investigating direct effects have mostly used pairwise native-exotic comparisons with few enemies, reached conflicting conclusions, and largely overlooked indirect interactions such as apparent competition. Here, we ask whether native and exotic plants differ in their interactions with invertebrate herbivores. We manipulate and measure plant-herbivore and plant-soil biota interactions in 160 experimental mesocosm communities to test several invasion hypotheses. We find that compared with natives, exotic plants support higher herbivore diversity and biomass, and experience larger proportional biomass reductions from herbivory, regardless of whether specialist soil biota are present. Yet, exotics consistently dominate community biomass, likely due to their fast growth rates rather than strong potential to exert apparent competition on neighbors. We conclude that polyphagous invertebrate herbivores are unlikely to play significant direct or indirect roles in mediating plant invasions, especially for fast-growing exotic plants.
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Affiliation(s)
- Warwick J Allen
- The Bio-Protection Research Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand.
- The Bio-Protection Research Centre, Lincoln University, Lincoln, New Zealand.
| | - Lauren P Waller
- The Bio-Protection Research Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
- The Bio-Protection Research Centre, Lincoln University, Lincoln, New Zealand
| | - Barbara I P Barratt
- AgResearch, Invermay Research Centre, Mosgiel, New Zealand
- Department of Botany, University of Otago, Dunedin, New Zealand
| | - Ian A Dickie
- The Bio-Protection Research Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Jason M Tylianakis
- The Bio-Protection Research Centre, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
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30
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Unraveling the ecological and evolutionary impacts of a plant invader on the pollination of a native plant. Biol Invasions 2021. [DOI: 10.1007/s10530-021-02457-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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31
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Yang Y, Liu M, Pan Y, Huang H, Pan X, Sosa A, Hou Y, Zhu Z, Li B. Rapid evolution of latitudinal clines in growth and defence of an invasive weed. THE NEW PHYTOLOGIST 2021; 230:845-856. [PMID: 33454953 DOI: 10.1111/nph.17193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
Re-establishment of heritable latitudinal clines in growth-related traits has been recognised as evidence for adaptive evolution in invasive plants. However, less information is known about latitudinal clines in defence and joint clinal evolution of growth and defence in invasive plants. We planted 14 native Argentinean populations and 14 introduced Chinese populations of Alternanthera philoxeroides in replicate common gardens in China. We investigated the latitudinal clines of traits related to growth and defence, and plasticity of these traits in relation to experiment site and soil nitrogen. We found that chemical defence decreased with latitude in introduced populations but increased with latitude in native populations. For growth rate, latitudinal clines were positive in introduced populations but nonexistent in native populations. There were also parallel positive latitudinal clines in total/shoot biomass and specific leaf area. Experiment site affected the occurrence or magnitude of latitudinal clines in growth rate, branch intensity and triterpenoid saponins concentration. Introduced populations were more plastic to experiment site and soil nitrogen than native populations. We provide evidence for rapid evolution of clines in growth and defence in an invasive plant. Altered herbivory gradients and trade-off between growth and defence may explain nonparallel clines between the native and introduced ranges.
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Affiliation(s)
- Yang Yang
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
| | - Mu Liu
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
| | - Yuanfei Pan
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
- School of Public Health, Fudan University, Shanghai, 200032, China
| | - Heyan Huang
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
| | - Xiaoyun Pan
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
- Research Center for Ecology, College of Science, Tibet University, Lhasa, 850000, China
- Tibet University - Fudan University Joint Laboratory for Biodiversity and Global Change, Fudan University, Shanghai, 200032, China
| | - Alejandro Sosa
- Fundación para el Estudio de Especies Invasivas (FuEDEI), Hurlingham, Buenos Aires, 999071, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires, 999071, Argentina
| | - Yuping Hou
- College of Life Sciences, Ludong University, Yantai, 264025, China
| | - Zhengcai Zhu
- Guangzhou Zengcheng Institute of Forestry and Landscape Architecture, Guangzhou, 511300, China
| | - Bo Li
- National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, #2005 Songhu Road, Shanghai, 200438, China
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Moroń D, Marjańska E, Skórka P, Lenda M, Woyciechowski M. Invader–pollinator paradox: Invasive goldenrods benefit from large size pollinators. DIVERS DISTRIB 2021. [DOI: 10.1111/ddi.13221] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- Dawid Moroń
- Institute of Systematics and Evolution of Animals Polish Academy of Sciences Kraków Poland
| | - Emilia Marjańska
- Institute of Environmental Sciences Jagiellonian University Kraków Poland
| | - Piotr Skórka
- Institute of Nature Conservation Polish Academy of Sciences Kraków Poland
| | - Magdalena Lenda
- Institute of Nature Conservation Polish Academy of Sciences Kraków Poland
- School of Biological Sciences The University of Queensland Brisbane QLD Australia
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Harkin C, Stewart AJA. Differential outcomes of novel plant-herbivore associations between an invading planthopper and native and invasive Spartina cordgrass species. Oecologia 2021; 195:983-994. [PMID: 33786707 PMCID: PMC8052223 DOI: 10.1007/s00442-021-04898-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 03/23/2021] [Indexed: 11/24/2022]
Abstract
Non-native plants may benefit, briefly or permanently, from natural enemy release in their invaded range, or may form novel interactions with native enemy species. Likewise, newly arrived herbivores may develop novel associations with native plants or, where their hosts have arrived ahead of them, re-establish interactions that existed previously in their ancestral ranges. Predicting outcomes from this diversity of novel and re-established interactions between plants and their herbivores presents a major challenge for invasion biology. We report on interactions between the recently arrived invasive planthopper Prokelisia marginata, and the multi-ploidy Spartina complex of four native and introduced species in Britain, each representing a different level of shared evolutionary history with the herbivore. As predicted, S. alterniflora, the ancestral host, was least impacted by planthopper herbivory, with the previously unexposed native S. maritima, a nationally threatened species, suffering the greatest impacts on leaf length gain, new leaf growth and relative water content. Contrary to expectations, glasshouse trials showed P. marginata to preferentially oviposit on the invasive allododecaploid S. anglica, on which it achieved earlier egg hatch, faster nymphal development, larger female body size and greatest final population size. We suggest P. marginata is in the process of rapid adaptation to maximise its performance on what is now the most abundant and widespread host in Britain. The diversity of novel and re-established interactions of the herbivore with this multi-ploidy complex makes this a highly valuable system for the study of the evolutionary ecology of plant-insect interactions and their influence on invasion dynamics.
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Affiliation(s)
- Claire Harkin
- School of Life Sciences, University of Sussex, Brighton, BN1 9QG, UK.
| | - Alan J A Stewart
- School of Life Sciences, University of Sussex, Brighton, BN1 9QG, UK
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COVID-19 Pandemic Turns Life-Science Students into “Citizen Scientists”: Data Indicate Multiple Negative Effects of Urbanization on Biota. SUSTAINABILITY 2021. [DOI: 10.3390/su13052992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The COVID-19 pandemic and its restrictions strongly affect the higher education community and require diverse teaching strategies. We designed a course where we combined online teaching with independently conducted ecological data collections by students using a “citizen science” approach. The aim was to analyze the impact of urbanization on biota by comparing urban and rural grasslands. Seventy-five students successfully conducted the data collections and the results provide evidence for prevailing negative effects of urbanization. Individual numbers of ground-dwelling invertebrates (−25%) and pollinating insects (−33%) were generally lower in urban sites. Moreover, animal and seed predation were reduced in urban grasslands, indicating the potential of urbanization to alter ecosystem functions. Despite the general limitations of online teaching and citizen science approaches, outcomes of this course showed this combination can be a useful teaching strategy, which is why this approach could be used to more actively involve students in scientific research.
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Allen PE, Cui Q, Miller CW. Evidence of a rapid and adaptive response of hemipteran mouthparts to a physical barrier. J Evol Biol 2021; 34:653-660. [PMID: 33484612 DOI: 10.1111/jeb.13766] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/14/2021] [Accepted: 01/18/2021] [Indexed: 11/27/2022]
Abstract
Animals have encountered novel foods at points throughout history, due to factors such as range expansions and niche shifts driven by competition. One of the first challenges presented by novel foods is how to eat them. Mouthpart morphology is thus critical during the process of host shifts. Developmental plasticity in mouthparts is one potential mechanism that may allow animals to tolerate new foods and eventually to thrive upon them. Here, we investigated the extent to which insect mouthparts from two geographically distant populations can converge in morphology when feeding on common resources. We conducted a common garden/reciprocal transplant experiment using two populations of the cactus bug, Narnia femorata, that differ in mouthpart length. This insect uses straw-like mouthparts (hereafter 'beak') to get through the cactus fruit wall to reach the pulp inside. Our experimental results revealed clear developmental plasticity in beak length. Insects from both populations grew longer beaks when they fed on the cactus fruit with the thicker walls, and they grew shorter beaks when they fed on the cactus fruit with the thinner walls. Thus, insects from distant populations exhibited immediate developmental responses to a new food, and in the predicted directions. These results suggest that some fauna may be able to respond more rapidly than predicted when they encounter novel plants.
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Affiliation(s)
- Pablo E Allen
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
| | - Quentin Cui
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA.,Southern California Edison, Los Angeles, CA, USA
| | - Christine W Miller
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
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36
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Rodríguez J, Cordero-Rivera A, González L. Impacts of the invasive plant Carpobrotus edulis on herbivore communities on the Iberian Peninsula. Biol Invasions 2021. [DOI: 10.1007/s10530-020-02449-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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37
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Szigeti V, Fenesi A, Soltész Z, Berki B, Kovács-Hostyánszki A. Neutral effect of an invasive plant species with specialized flower structure on native pollinator communities. Biol Invasions 2020. [DOI: 10.1007/s10530-020-02305-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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38
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Arteaga A, Malumbres-Olarte J, Gabriel R, Ros-Prieto A, Casimiro P, Sanchez AF, Albergaria IS, Borges PAV. Arthropod diversity in two Historic Gardens in the Azores, Portugal. Biodivers Data J 2020; 8:e54749. [PMID: 32855602 PMCID: PMC7426280 DOI: 10.3897/bdj.8.e54749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/25/2020] [Indexed: 11/12/2022] Open
Abstract
The aim of our study was to characterise and compare the richness and composition of endemic, native (non-endemic) and introduced arthropod assemblages of two Azorean Historic Gardens with contrasting plant species composition. We hypothesised that Faial Botanic Garden would hold higher arthropod diversity and abundance of native and endemic arthropod species due to its larger native plant community. Species were collected using several arthropod standardised techniques between April 2017 and June 2018. We used the alpha diversity metrics (Hill series) and the partitioning of total beta diversity (βtotal) into its replacement (βrepl) and richness (βrich) components, to analyse the adult and total arthropod community. The orders Araneae, Coleoptera and Hemiptera were also studied separately. Our results show that the number of exotic arthropod species exceeds the number of native and/or the endemic species in both gardens, but the arthropod community of Faial Botanic Garden exhibited a higher density of endemic and native species. Despite some minor exceptions, the geographic origins of plant communities largely influenced the arthropod species sampled in each garden. This study improves our knowledge about urban arthropod diversity in the Azores and shows how well-designed urban garden management and planning contribute to the conservation of native and endemic Azorean species.
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Affiliation(s)
- Alba Arteaga
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal
| | - Jagoba Malumbres-Olarte
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal.,LIBRe - Laboratory for Integrative Biodiversity Research, Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland LIBRe - Laboratory for Integrative Biodiversity Research, Finnish Museum of Natural History, University of Helsinki Helsinki Finland
| | - Rosalina Gabriel
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal
| | - Alejandra Ros-Prieto
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal
| | - Pedro Casimiro
- Jardim Botânico do Faial, Sociedade de Gestão Ambiental e Conservação da Natureza, Azorina S.A., Horta, Azores, Portugal Jardim Botânico do Faial, Sociedade de Gestão Ambiental e Conservação da Natureza, Azorina S.A. Horta, Azores Portugal
| | - Ana Fuentes Sanchez
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal
| | - Isabel S Albergaria
- Universidade dos Açores, CHAM e FCSH Rua Mãe de Deus, 9500-321, Ponta Delgada, Azores, Portugal Universidade dos Açores, CHAM e FCSH Rua Mãe de Deus, 9500-321 Ponta Delgada, Azores Portugal
| | - Paulo A V Borges
- CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Angra do Heroísmo, Azores, Portugal CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores Angra do Heroísmo, Azores Portugal
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Effects of Two Invasive Weeds on Arthropod Community Structure on the Central Plateau of New Zealand. PLANTS 2020; 9:plants9070919. [PMID: 32698536 PMCID: PMC7411625 DOI: 10.3390/plants9070919] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/07/2020] [Accepted: 07/14/2020] [Indexed: 11/16/2022]
Abstract
Heather (Calluna vulgaris) and broom (Cytisus scoparius), originally from Europe, are the main invasive plants on New Zealand's North Island Central Plateau, where they threaten native flora and fauna. Given the strong link between arthropod communities and plants, we explored the impact of these invasive weeds on the diversity and composition of associated arthropod assemblages in this area. The arthropods in heather-invaded areas, broom-invaded areas, and areas dominated by the native species mānuka (Leptospermum scoparium) and Dracohyllum (Dracophyllum subulatum) were collected and identified to order. During summer and autumn, arthropods were collected using beating trays, flight intercept traps and pitfall traps. Diversity indices (Richness, Shannon's index and Simpson's index) were calculated at the order level, and permutational multivariate analysis (PERMANOVA) was used to explore differences in order-level community composition. Our results show a significant variation in community composition for all trapping methods in both seasons, whereas invasive plants did not profoundly impact arthropod order richness. The presence of broom increased arthropod abundance, while heather was linked to a reduction. Under all possible plant pairings between heather, broom, mānuka, and Dracophylum, the impact of neighbouring plant identity on arthropod community composition was further explored for the samples collected using beating trays. The results suggest that during plant invasion, arthropod communities are affected by neighbouring plant identity and that impacts vary between arthropod sampling methods and seasons.
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Hoback WW, Jurzenski J, Farnsworth-Hoback KM, Roeder KA. Invasive Saltcedar and Drought Impact Ant Communities and Isopods in South-Central Nebraska. ENVIRONMENTAL ENTOMOLOGY 2020; 49:607-614. [PMID: 32159754 DOI: 10.1093/ee/nvaa024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Indexed: 06/10/2023]
Abstract
The establishment and spread of non-native species often results in negative impacts on biodiversity and ecosystem function. Several species of saltcedar, Tamarix spp. L., have been recently naturalized in large portions of the United States where they have altered plant and animal communities. To test the prediction that saltcedar negatively affects invertebrates, we measured ant genera diversity and the activity density of the exotic isopod Armadillidium vulgare Latrielle (Isopoda: Oniscoidea) for 2 yr using pitfall traps located within 30 5-m2 plots with or without saltcedar at a south-central Nebraska reservoir. From 2005 to 2006, we collected 10,837 ants representing 17 genera and 4,953 A. vulgare. Per plot, the average number of ant genera was not different between saltcedar (x̅ = 3.9) and non-saltcedar areas ( x̅ = 3.9); however, saltcedar plots were compositionally different and more similar from plot to plot (i.e., they had lower beta diversity than control plots) in 2005, but not in 2006. Isopods were likewise temporally affected with higher activity density (+89%) in control plots in 2005, but higher activity density (+27%) in saltcedar plots in 2006. The observed temporal differences occurred as the drought that initially enabled the saltcedar invasion became less severe in 2006. Combined, our results suggest that invertebrate groups like ants, which are generally omnivorous, may be better equipped than more specialized taxa like detritivores to withstand habitat changes due to invasions by non-native species, especially during extreme weather events such as prolonged droughts.
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Affiliation(s)
- W Wyatt Hoback
- Department of Entomology and Plant Pathology, Oklahoma State University, Noble Research Center, Stillwater, OK
| | - Jessica Jurzenski
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE
- Felsburg, Holt, and Ullvig, Lincoln, NE
| | - Kerri M Farnsworth-Hoback
- Environmental Science Graduate Program, Oklahoma State University, Life Science East, Stillwater, OK
| | - Karl A Roeder
- Department of Biology, University of Oklahoma, Norman, OK
- Department of Entomology, University of Illinois at Urbana-Champaign, Urbana, IL
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41
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Croy JR, Meyerson LA, Allen WJ, Bhattarai GP, Cronin JT. Lineage and latitudinal variation inPhragmites australistolerance to herbivory: implications for invasion success. OIKOS 2020. [DOI: 10.1111/oik.07260] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Jordan R. Croy
- Dept of Biological Sciences, Louisiana State Univ. Baton Rouge LA 70803 USA
- Dept of Ecology and Evolutionary Biology, Univ. of California Irvine CA 92697 USA
| | - Laura A. Meyerson
- Dept of Natural Resource Sciences, Univ. of Rhode Island Kingston RI USA
| | - Warwick J. Allen
- Dept of Biological Sciences, Louisiana State Univ. Baton Rouge LA 70803 USA
- The Bio‐Protection Research Centre, School of Biological Sciences, Univ. of Canterbury Christchurch New Zealand
| | - Ganesh P. Bhattarai
- Dept of Biological Sciences, Louisiana State Univ. Baton Rouge LA 70803 USA
- Dept of Entomology, Kansas State Univ. Manhattan KS USA
| | - James T. Cronin
- Dept of Biological Sciences, Louisiana State Univ. Baton Rouge LA 70803 USA
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Cunningham-Minnick MJ, Peters VE, Crist TO. Bee communities and pollination services in adjacent crop fields following flower removal in an invasive forest shrub. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2020; 30:e02078. [PMID: 31971650 DOI: 10.1002/eap.2078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 11/14/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
The habitat boundaries between crops and seminatural areas influence bee movements and pollination services to crops. Edges also provide favorable conditions for invasive plants, which may usurp pollinators and reduce visitation to native or crop plants. Alternatively, floral displays of alien plants may facilitate, or increase, the pollination success of adjacent plants by attracting more pollinators to the area. Therefore, pollination services of bees from seminatural habitats to crop areas should vary with the presence of invasive floral resources and distance from habitat edges. To test the hypothesis that floral resources of invasive forest shrubs affect the bee community and pollination services in adjacent crop fields, we conducted a 2-yr field experiment along forest-crop edges at five isolated forest remnants. We removed flower buds from a dominant invasive shrub, Lonicera maackii (Amur honeysuckle), along forest-crop edges and paired removals with controls of intact flowers. The bee community, their pollination services, and flower visitation rates were quantified along a 200-m gradient into an adjacent crop field using pan traps and sentinel cucumber plants. Impacts to the bee community were dependent of bee functional traits. Larger bees visited fewer sentinel cucumber flowers in flower removal plots, which corresponded with decreased cucumber pollination compared to plots with honeysuckle flowers at distances >100 m from forest edges. Small-bodied and weaker flying bees visited sentinel plants more frequently closer to the forest edge and increased pollination services to cucumber at distances <100 m from L. maackii shrubs in flower removal plots. After 2 yr, bee abundance and species richness increased within flower removal plots across all distances. High functional diversity of the bee community increased pollination services to sentinel plants and increased cucumber production within 200 m from forest remnants. Our findings suggest that dense floral resources of invasive shrubs suppressed forest-edge bee communities and their pollination services, but also attracted large-bodied generalist bees, which were effective pollinators. This study helps explain how life histories and functional attributes of bees can predict either facilitation or suppression of pollination services to crop or native plants in response to invasive floral resources.
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Affiliation(s)
| | - Valerie E Peters
- Department of Biology, Miami University, 212 Pearson Hall, 700 East High Street, Oxford, Ohio, 45056, USA
- Department of Biological Sciences, Eastern Kentucky University, 3238 Science, 521 Lancaster Avenue, Richmond, Kentucky, 40475, USA
| | - Thomas O Crist
- Department of Biology, Miami University, 212 Pearson Hall, 700 East High Street, Oxford, Ohio, 45056, USA
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Desurmont GA, von Arx M, Turlings TCJ, Schiestl FP. Floral Odors Can Interfere With the Foraging Behavior of Parasitoids Searching for Hosts. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.00148] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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44
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Rodríguez J, Novoa A, Cordero-Rivera A, Richardson DM, González L. Biogeographical comparison of terrestrial invertebrates and trophic feeding guilds in the native and invasive ranges of Carpobrotus edulis. NEOBIOTA 2020. [DOI: 10.3897/neobiota.56.49087] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Plant invasions impact on biodiversity by altering the composition of native communities by disrupting taxonomic and functional diversity. Non-native plants are often released from their natural enemies, which might result in a reduction of the attack of primary consumers. However, they can also be exposed to the attack of new herbivores that they might not be able to tolerate. Hence, invertebrate communities can be influenced by invasive non-native plants, which in turn modify interactions and change environmental conditions. In this study, we examined the compositional and trophic diversity of invertebrate species, comparing ecosystems with and without the plant species Carpobrotus edulis in coastal areas in its native (South Africa) and introduced (Iberian Peninsula) ranges. Results show that C. edulis has a clear impact on invertebrate communities in its non-native range, reducing their abundance in invaded areas, and particularly affecting certain trophic groups. Invasive C. edulis also alters the invertebrate diversity by not only reducing abundance but also by altering species composition. Overall, the physical dominance of C. edulis modifies the co-occurrence of invertebrate assemblages, reducing the number of trophic groups and leading to substantial effects on primary consumers. Results suggest that the lack of natural enemies might be an important driver of the expansion of C. edulis in its introduced range. Further work is needed to examine long-term changes caused by non-native plants on invertebrate assemblages and the subsequent modification of biological interactions.
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dos Santos JMA, Carneiro LT, Martins CF. Are native nectar robbers against the alien? Effects of floral larceny on the reproductive success of the invasive yellow bells (Tecoma stans, Bignoniaceae). ACTA OECOLOGICA 2020. [DOI: 10.1016/j.actao.2020.103547] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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de Boer JG, Harvey JA. Range-Expansion in Processionary Moths and Biological Control. INSECTS 2020; 11:E267. [PMID: 32353938 PMCID: PMC7290706 DOI: 10.3390/insects11050267] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 11/17/2022]
Abstract
Global climate change is resulting in a wide range of biotic responses, including changes in diel activity and seasonal phenology patterns, range shifts polewards in each hemisphere and/or to higher elevations, and altered intensity and frequency of interactions between species in ecosystems. Oak (Thaumetopoea processionea) and pine (T. pityocampa) processionary moths (hereafter OPM and PPM, respectively) are thermophilic species that are native to central and southern Europe. The larvae of both species are gregarious and produce large silken 'nests' that they use to congregate when not feeding. During outbreaks, processionary caterpillars are capable of stripping foliage from their food plants (oak and pine trees), generating considerable economic damage. Moreover, the third to last instar caterpillars of both species produce copious hairs as a means of defence against natural enemies, including both vertebrate and invertebrate predators, and parasitoids. These hairs contain the toxin thaumetopoein that causes strong allergic reactions when it comes into contact with human skin or other membranes. In response to a warming climate, PPM is expanding its range northwards, while OPM outbreaks are increasing in frequency and intensity, particularly in northern Germany, the Netherlands, and southern U.K., where it was either absent or rare previously. Here, we discuss how warming and escape from co-evolved natural enemies has benefitted both species, and suggest possible strategies for biological control.
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Affiliation(s)
- Jetske G de Boer
- Department of Terrestrial Ecology, Netherlands Institute of Ecology, Droevendaalsesteeg 10, 6708 PB Wageningen, The Netherlands
| | - Jeffrey A Harvey
- Department of Terrestrial Ecology, Netherlands Institute of Ecology, Droevendaalsesteeg 10, 6708 PB Wageningen, The Netherlands
- Department of Ecological Sciences, Section Animal Ecology, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
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Zhang Y, Li B, Wu J, Pennings SC. Contrasting latitudinal clines of nematode diversity in
Spartina alterniflora
salt marshes between native and introduced ranges. DIVERS DISTRIB 2020. [DOI: 10.1111/ddi.13054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Youzheng Zhang
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Coastal Ecosystems Research Station of Yangtze River Estuary Institute of Biodiversity Science and Institute of Eco‐Chongming School of Life Sciences Fudan University Shanghai China
- Department of Biology and Biochemistry University of Houston Houston TX USA
| | - Bo Li
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Coastal Ecosystems Research Station of Yangtze River Estuary Institute of Biodiversity Science and Institute of Eco‐Chongming School of Life Sciences Fudan University Shanghai China
| | - Jihua Wu
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Coastal Ecosystems Research Station of Yangtze River Estuary Institute of Biodiversity Science and Institute of Eco‐Chongming School of Life Sciences Fudan University Shanghai China
| | - Steven C. Pennings
- Department of Biology and Biochemistry University of Houston Houston TX USA
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Padovani RJ, Salisbury A, Bostock H, Roy DB, Thomas CD. Introduced plants as novel Anthropocene habitats for insects. GLOBAL CHANGE BIOLOGY 2020; 26:971-988. [PMID: 31840377 PMCID: PMC7027573 DOI: 10.1111/gcb.14915] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 10/08/2019] [Accepted: 10/25/2019] [Indexed: 06/10/2023]
Abstract
Major environmental changes in the history of life on Earth have given rise to novel habitats, which gradually accumulate species. Human-induced change is no exception, yet the rules governing species accumulation in anthropogenic habitats are not fully developed. Here we propose that nonnative plants introduced to Great Britain may function as analogues of novel anthropogenic habitats for insects and mites, analysing a combination of local-scale experimental plot data and geographic-scale data contained within the Great Britain Database of Insects and their Food Plants. We find that novel plant habitats accumulate the greatest diversity of insect taxa when they are widespread and show some resemblance to plant habitats which have been present historically (based on the relatedness between native and nonnative plant species), with insect generalists colonizing from a wider range of sources. Despite reduced per-plant diversity, nonnative plants can support distinctive insect communities, sometimes including insect taxa that are otherwise rare or absent. Thus, novel plant habitats may contribute to, and potentially maintain, broader-scale (assemblage) diversity in regions that contain mixtures of long-standing and novel plant habitats.
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Affiliation(s)
| | | | | | | | - Chris D. Thomas
- Leverhulme Centre for Anthropocene BiodiversityUniversity of YorkYorkUK
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Ni G, Zhao P, Ye Y, Zhu L, Hou Y, Huang Q, Wu W, Ouyang L. High photosynthetic capacity and energy-use efficiency benefit both growth and chemical defense in invasive plants. CHEMOECOLOGY 2020. [DOI: 10.1007/s00049-020-00299-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lu X, He M, Tang S, Wu Y, Shao X, Wei H, Siemann E, Ding J. Herbivory may promote a non-native plant invasion at low but not high latitudes. ANNALS OF BOTANY 2019; 124:819-827. [PMID: 31318017 PMCID: PMC6868397 DOI: 10.1093/aob/mcz121] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 07/12/2019] [Indexed: 05/05/2023]
Abstract
BACKGROUND AND AIMS The strengths of biotic interactions such as herbivory are expected to decrease with increasing latitude for native species. To what extent this applies to invasive species and what the consequences of this variation are for competition among native and invasive species remain unexplored. Here, herbivore impacts on the invasive plant Alternanthera philoxeroides and its competition with the native congener A. sessilis were estimated across latitudes in China. METHODS An common garden experiment spanning ten latitudinal degrees was conducted to test how herbivore impacts on A. philoxeroides and A. sessilis, and competition between them change with latitude. In addition, a field survey was conducted from 21°N to 36.8°N to test whether A. philoxeroides invasiveness changes with latitude in nature as a result of variations in herbivory. KEY RESULTS In the experiment, A. sessilis cover was significantly higher than A. philoxeroides cover when they competed in the absence of herbivores, but otherwise their cover was comparable at low latitude. However, A. philoxeroides cover was always higher on average than A. sessilis cover at middle latitude. At high latitude, only A. sessilis emerged in the second year. Herbivore abundance decreased with latitude and A. philoxeroides emerged earlier than A. sessilis at middle latitude. In the field survey, the ratio of A. philoxeroides to A. sessilis cover was hump shaped with latitude. CONCLUSION These results indicate that herbivory may promote A. philoxeroides invasion only at low latitude by altering the outcome of competition in favour of the invader and point to the importance of other factors, such as earlier emergence, in A. philoxeroides invasion at higher latitudes. These results suggest that the key factors promoting plant invasions might change with latitude, highlighting the importance of teasing apart the roles of multiple factors in plant invasions within a biogeographic framework.
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Affiliation(s)
- Xinmin Lu
- College of Plant Sciences & Technology, Huazhong Agricultural University, Wuhan, Hubei, China
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
- For correspondence. E-mail ,
| | - Minyan He
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Saichun Tang
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin, Guangxi, China
| | - Yuqing Wu
- Institute of Plant Protection, Henan Academy of Agriculture Sciences, Zhengzhou, Henan, China
| | - Xu Shao
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Hui Wei
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
- Pearl River Fisheries Research Institute, Guangzhou, Guangdong, China
| | - Evan Siemann
- Biosciences Department, Rice University, Houston, TX, USA
| | - Jianqing Ding
- College of Plant Sciences & Technology, Huazhong Agricultural University, Wuhan, Hubei, China
- School of Life Sciences, Henan University, Kaifeng, Henan, China
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