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Noël G, Segers A, Carpentier J, Rossini L, Garone E, Francis F. An update for Halyomorphahalys (Stål, 1855) (Hemiptera, Pentatomidae) distribution in Belgium. Biodivers Data J 2024; 12:e125067. [PMID: 38939163 PMCID: PMC11208771 DOI: 10.3897/bdj.12.e125067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 06/10/2024] [Indexed: 06/29/2024] Open
Abstract
The brown marmorated stink bug, Halyomorphahalys, represents an important insect pest and subsequently an important agricultural threat due to its polyphagous feeding habits and adaptability to diverse climates. Native from East Asia, its recent establishment in various regions, including North America and Europe, has led to substantial yield losses and economic impacts, which highlight the need for comprehensive research efforts, based on data occurrence by combining those from expert entomologists and citizen scientists. We reported here 14 new occurrences of this insect pest in the three regions of Belgium. Then, these data were merged with data occurrences from other studies and GBIF datasets of Belgium. The combined dataset showed a peak of presence of Halyomorphahalys in October and a dominance of field observations from citizen scientists especially in the nothern part of Belgium, Flanders. Crowd-sourced data have provided valuable insights into the presence and distribution of Halyomorphahalys in Belgium. Given the importance of the generated dataset, it could be asserted that this pest is uniformly distributed across the entire country, which necessitates additional research to evaluate its impact on various crops.
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Affiliation(s)
- Grégoire Noël
- Department of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030, Gembloux, BelgiumDepartment of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030GemblouxBelgium
| | - Arnaud Segers
- Department of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030, Gembloux, BelgiumDepartment of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030GemblouxBelgium
| | - Joachim Carpentier
- Department of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030, Gembloux, BelgiumDepartment of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030GemblouxBelgium
| | - Luca Rossini
- Service d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, Av. F.D. Roosvelt 50, CP 165/55, Brussels, BelgiumService d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, Av. F.D. Roosvelt 50, CP 165/55BrusselsBelgium
| | - Emanuele Garone
- Service d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, Av. F.D. Roosvelt 50, CP 165/55, Brussels, BelgiumService d’Automatique et d’Analyse des Systèmes, Université Libre de Bruxelles, Av. F.D. Roosvelt 50, CP 165/55BrusselsBelgium
| | - Frédéric Francis
- Department of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030, Gembloux, BelgiumDepartment of Functional and Evolutionary Entomology, Gembloux Agro–Bio Tech, University of Liège, Passage des Déportés 2, B–5030GemblouxBelgium
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Rot M, Maistrello L, Costi E, Trdan S. Biological Parameters, Phenology and Temperature Requirements of Halyomorpha halys (Hemiptera: Pentatomidae) in the Sub-Mediterranean Climate of Western Slovenia. INSECTS 2022; 13:956. [PMID: 36292903 PMCID: PMC9604413 DOI: 10.3390/insects13100956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
In the last decade, the invasive brown marmorated stink bug Halyomorpha halys, native to East Asia, has become one of the most serious pests for agricultural crops worldwide. First detected in Europe (in Switzerland), the insect is now widely found across the European continent and many Eurasian countries. Since its first appearance in Slovenia in 2017 it has caused considerable damage to fruit and vegetable production. Understanding the biology and behavior in the local environmental conditions is of key importance for an effective pest management. Knowledge of the voltinism of the species is crucial to anticipate critical phases of pest development and for adapting control measures that target the vulnerable life stages of the pest. A 3-year study (2019-2021) of H. halys biological parameters was performed outdoors in Nova Gorica (western Slovenia), confirming that in the sub-Mediterranean climate this pest has two overlapping generations per year. The net reproductive rates observed in the studied period indicate growing populations. The highest population growth was recorded in 2019, when the net reproductive rate of increase (R0) reached 14.84 for the summer generation and 5.64 for the overwintering generation. These findings match the current situation in Slovenia, where increasing populations of H. halys and severe crop damage have been observed since 2019.
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Affiliation(s)
- Mojca Rot
- Institute of Agriculture and Forestry Nova Gorica, Pri hrastu 18, 5000 Nova Gorica, Slovenia
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Lara Maistrello
- Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, 42122 Reggio Emilia, Italy
| | - Elena Costi
- Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, 42122 Reggio Emilia, Italy
| | - Stanislav Trdan
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
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Streito JC, Chartois M, Pierre É, Dusoulier F, Armand JM, Gaudin J, Rossi JP. Citizen science and niche modeling to track and forecast the expansion of the brown marmorated stinkbug Halyomorpha halys (Stål, 1855). Sci Rep 2021; 11:11421. [PMID: 34075084 PMCID: PMC8169697 DOI: 10.1038/s41598-021-90378-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 04/26/2021] [Indexed: 11/10/2022] Open
Abstract
Halyomorpha halys (Stål, 1855), the Brown Marmorated StinkBug (BMSB) is a highly successful invasive species native to eastern Asia that managed to spread into North America and Europe in recent decades. We set up a citizen science survey to monitor BMSB expansion in France in 2012 and analyzed the data it yielded between 2012 and 2019 to examine the local expansion of the insect. These data were gathered with occurrences form various sources (GBIF, literature) to calibrate a species niche model and assess potential current BMSB range. We evaluated the potential changes to the BMSB range due to climate change by projecting the model according to 6 global circulation models (GCM) and the shared socio-economic pathways SSP245 in two time periods 2021-2040 and 2041-2060. Citizen science allowed to track BMSB expansion in France and provided information about its phenology and its habitat preferences. The model highlighted the potential for further range expansion in Europe and illustrated the impact of climate change. These results could help managing the current BMSB invasion and the framework of this survey could contribute to a better preparedness of phytosanitary authorities either for the BMSB or other invasive pests.
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Affiliation(s)
| | | | - Éric Pierre
- UMR CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Montpellier, France
| | | | | | - Jonathan Gaudin
- UMR SAVE INRAE Bordeaux Science Agro, ISVV, Bordeaux, France
| | - Jean-Pierre Rossi
- UMR CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Montpellier, France.
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Native and Non-Native Egg Parasitoids Associated with Brown Marmorated Stink Bug ( Halyomorpha halys [Stål, 1855]; Hemiptera: Pentatomidae) in Western Slovenia. INSECTS 2021; 12:insects12060505. [PMID: 34072691 PMCID: PMC8228850 DOI: 10.3390/insects12060505] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/11/2021] [Accepted: 05/26/2021] [Indexed: 11/16/2022]
Abstract
Halyomorpha halys (Hemiptera: Pentatomidae), native to East Asia, has become a globally invasive pest, as a serious threat to agricultural production and a notorious nuisance pest in urban areas. Considerable efforts have been made so far to develop effective pest control measures to prevent crop damage. Biological control of this invasive stink bug by egg parasitoids has proven to be the most environmentally sustainable long-term solution. Knowledge of the native egg parasitoid fauna is of key importance when implementing a biological control program. Therefore, the main objective of our study was to detect egg parasitoid species associated with H. halys in the Goriška region (Western Slovenia) and to evaluate their impact on the pest population under field conditions. In the years 2019 and 2020, around 4600 H. halys eggs were collected in the wild and more than 3400 sentinel eggs were exposed to detect parasitoids in the field. Five egg-parasitoid species emerged from H. halys eggs: Anastatus bifasciatus (Hymenoptera: Eupelmidae), Telenomus sp., Trissolcus basalis, Trissolcus mitsukurii (Hymenoptera: Scelionidae) and Ooencyrtus telenomicida (Hymenoptera: Encyrtidae), all of them are new records for Slovenia. The native species, An. bifasciatus, dominated in urban and suburban areas, while non-native Tr. mitsukurii prevailed in agricultural areas. Overall parasitism rates of naturally laid eggs by the parasitoid species complex in 2019 and 2020 was 3.0 and 14.4%, respectively. Rapid recruitment of native parasitoids, early detection of an effective alien parasitoid species and increasing overall parasitism rates are very encouraging results, which need to be followed and verified in future research.
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Moser AY, Brown WY, Bizo LA, Andrew NR, Taylor MK. Biosecurity Dogs Detect Live Insects after Training with Odor-Proxy Training Aids: Scent Extract and Dead Specimens. Chem Senses 2021; 45:179-186. [PMID: 31919506 DOI: 10.1093/chemse/bjaa001] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Detector dogs could be trained to find invasive insect pests at borders before they establish in new areas. However, without access to the live insects themselves, odor training aids are needed to condition dogs to their scent. This proof-of-concept study assessed 2 potential training aids for insect detection: a scent extract and dead specimens of the target species. Using Musgraveia sulciventris (Hemiptera: Tessaratomidae) as an experimental model, gas chromatography-mass spectrometry (GC-MS) analyses were carried out to compare the chemical headspaces that make up the odors of live specimens and these 2 training aids. This was then followed by canine scent-detection testing to investigate biosecurity detector dogs' (n = 4) responses to training in an ecologically valid context. Both the scent extract and the dead specimens shared the majority of their volatile organic compounds (VOCs) with live insects. Of the dogs trained with scent extract (n = 2), both were able to detect the live insects accurately, and of those trained with dead specimens (n = 2), one detected the live insects accurately. These findings lend support for these training aids as odor-proxies for live insects-particularly scent extract, which is a relatively novel product with the potential for broad application to facilitate and improve insect-detection training.
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Affiliation(s)
- Ariella Y Moser
- Canine and Equine Research Group, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
| | - Wendy Y Brown
- Canine and Equine Research Group, School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
| | - Lewis A Bizo
- School of Psychology, University of New England, Armidale, NSW, Australia
| | - Nigel R Andrew
- Insect Ecology Lab, Zoology, University of New England, Armidale, NSW, Australia
| | - Michelle K Taylor
- Chemistry, School of Science and Technology, University of New England, Armidale, NSW, Australia
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Assessing the Distribution of Exotic Egg Parasitoids of Halyomorpha halys in Europe with a Large-Scale Monitoring Program. INSECTS 2021; 12:insects12040316. [PMID: 33915993 PMCID: PMC8067160 DOI: 10.3390/insects12040316] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/24/2021] [Accepted: 03/27/2021] [Indexed: 02/06/2023]
Abstract
Simple Summary The management of invasive alien species is a very challenging task. For the brown marmorated stink bug (Halyomorpha halys), classical biological control has been identified as the most suitable method to sustainably reduce its populations in the long-term. Among its natural enemies, two species were identified as the most promising candidates for biocontrol, Trissolcus japonicus and Trissolcus mitsukurii. Populations of these two species have recently been detected in Europe and to assess their distribution, a large-scale study was performed. Combining several monitoring methods, in four months (May–September 2019), a wide area covering northern Italy and parts of Switzerland was surveyed. The results showed that both species have spread into all types of habitats where H. halys is present and the parasitization of native species was rarely observed. Among native species, Anastatus bifasciatus was the predominant parasitoid of H. halys. This study supported the development of the first release program of Tr. japonicus in Europe. Abstract The brown marmorated stink bug Halyomorpha halys is an invasive agricultural pest with a worldwide distribution. Classical biological control has been identified as the most promising method to reduce the populations of H. halys. Adventive populations of two candidates for releases, Trissolcus japonicus and Trissolcus mitsukurii, have recently been detected in Europe. To assess their distribution and abundance, a large-scale survey was performed. From May to September 2019, a wide area covering northern Italy and parts of Switzerland was surveyed, highlighting the expanding distribution of both Tr. japonicus and Tr. mitsukurii. Within four years after their first detection in Europe, both species have rapidly spread into all types of habitats where H. halys is present, showing a wide distribution and continuous expansion. Both exotic Trissolcus showed high levels of parasitism rate towards H. halys, while parasitization of non-target species was a rare event. The generalist Anastatus bifasciatus was the predominant native parasitoid of H. halys, while the emergence of native scelionids from H. halys eggs was rarely observed. The presence of the hyperparasitoid Acroclisoides sinicus was also recorded. This study provided fundamental data that supported the development of the first inoculative release program of Tr. japonicus in Europe.
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Bedoya CL, Brockerhoff EG, Hayes M, Leskey TC, Morrison WR, Rice KB, Nelson XJ. Brown marmorated stink bug overwintering aggregations are not regulated through vibrational signals during autumn dispersal. ROYAL SOCIETY OPEN SCIENCE 2020; 7:201371. [PMID: 33391809 PMCID: PMC7735358 DOI: 10.1098/rsos.201371] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/30/2020] [Indexed: 06/12/2023]
Abstract
The brown marmorated stink bug, Halyomorpha halys (Heteroptera: Pentatomidae), is regarded as one of the world's most pernicious invasive pest species, as it feeds on a wide range of economically important crops. During the autumn dispersal period, H. halys ultimately moves to potential overwintering sites, such as human-made structures or trees where it will alight and seek out a final overwintering location, often aggregating with other adults. The cues used during this process are unknown, but may involve vibrational signals. We evaluated whether vibrational signals regulate cluster aggregation in H. halys in overwintering site selection. We collected acoustic data for six weeks during the autumn dispersal period and used it to quantify movement and detect vibrational communication of individuals colonizing overwintering shelters. Both movement and vibrational signal production increased after the second week, reaching their maxima in week four, before decaying again. We found that only males produced vibrations in this context, yet there was no correlation between movement and vibrational signals, which was confirmed through playback experiments. The cues regulating the formation of aggregations remain largely unknown, but vibrations may indicate group size.
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Affiliation(s)
- Carol L. Bedoya
- School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - Eckehard G. Brockerhoff
- School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
- Scion (New Zealand Forest Research Institute), Christchurch, New Zealand
- Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
| | - Michael Hayes
- Department of Electrical and Computer Engineering, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - Tracy C. Leskey
- USDA, Agricultural Research Service, Appalachian Fruit Research Station, Kearneysville, WV, USA
| | - William R. Morrison
- USDA-ARS, Center for Animal Health and Grain Research, 1515 College Ave, Manhattan, KS 66502, USA
| | - Kevin B. Rice
- Division of Plant Sciences, University of Missouri, 1-33 Agriculture Building, Columbia MO 65211, USA
| | - Ximena J. Nelson
- School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
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Zapponi L, Bon MC, Fouani JM, Anfora G, Schmidt S, Falagiarda M. Assemblage of the Egg Parasitoids of the Invasive Stink Bug Halyomorpha halys: Insights on Plant Host Associations. INSECTS 2020; 11:E588. [PMID: 32882915 PMCID: PMC7563961 DOI: 10.3390/insects11090588] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/23/2020] [Accepted: 08/27/2020] [Indexed: 11/16/2022]
Abstract
Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) is an invasive alien species and a key agricultural pest. Its native parasitoids (Trissolcus japonicus Ashmead and Tr. mitsukurii Ashmead) have been registered in several countries where H. halys brought dramatic economic losses and where biological control is considered to be the most effective long-term solution. By searching for stink bug egg masses and exposing sentinel egg masses, we monitored the distribution of native and exotic egg parasitoids in Trentino-Alto Adige (Italy), an area where both the host and parasitoids are in expansion. We recorded ten pentatomids, seven parasitoid species, with the first report of Tr. japonicus in this area and a hyperparasitoid. In the assemblage, Anastatus bifasciatus (Geoffroy) and Tr. mitsukurii were the dominant parasitoids, with a different distribution in terms of context and host plants. Sycamore was the host plant where the highest number of naturally laid parasitized egg masses (26%) were recorded. Trissolcus mitsukurii showed the highest parasitism rate, and was often found in apple orchards. The emergence of exotic parasitoids showed a temporal delay compared to native ones. Sequence analysis of 823 bp of the CO1 mitochondrial gene revealed that the recovered Tr. japonicus and Tr. mitsukurii harbored one single haplotype each. These haplotypes were previously found in 2018 in Northern Italy. While sentinel egg masses proved to be very effective in tracking the arrival of exotic Trissolcus species, the collection of stink bug egg masses provided fundamental data on the plant host species. The results lend strong support to the adaptation of exotic Trissolcus species to the environmental conditions of the range of introduction, providing new information on plant host-associations, fundamental for the development of biological control programs.
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Affiliation(s)
- Livia Zapponi
- Research and Innovation Center, Fondazione Edmund Mach, 38010 San Michele all’Adige, TN, Italy; (J.M.F.); (G.A.)
| | - Marie Claude Bon
- USDA-ARS European Biological Control Laboratory, 810 Avenue du Campus Agropolis, 34980 Montferrier le Lez, France;
| | - Jalal Melhem Fouani
- Research and Innovation Center, Fondazione Edmund Mach, 38010 San Michele all’Adige, TN, Italy; (J.M.F.); (G.A.)
- Center for Agriculture, Food and Environment (C3A), University of Trento, 38010 San Michele all’Adige, TN, Italy
| | - Gianfranco Anfora
- Research and Innovation Center, Fondazione Edmund Mach, 38010 San Michele all’Adige, TN, Italy; (J.M.F.); (G.A.)
- Center for Agriculture, Food and Environment (C3A), University of Trento, 38010 San Michele all’Adige, TN, Italy
| | - Silvia Schmidt
- Entomology Group, Institute for Plant Health, Laimburg Research Centre, Laimburg 6, 39040 Auer (Ora), South Tyrol, Italy; (S.S.); (M.F.)
| | - Martina Falagiarda
- Entomology Group, Institute for Plant Health, Laimburg Research Centre, Laimburg 6, 39040 Auer (Ora), South Tyrol, Italy; (S.S.); (M.F.)
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An Insight into the Role of Trissolcus mitsukurii as Biological Control Agent of Halyomorpha halys in Northeastern Italy. INSECTS 2020; 11:insects11050306. [PMID: 32422980 PMCID: PMC7290990 DOI: 10.3390/insects11050306] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/22/2020] [Accepted: 05/11/2020] [Indexed: 11/19/2022]
Abstract
Sustainable strategies such as classical or augmentative biological control are currently being evaluated for the long-term management of the alien invasive pest Halyomorpha halys (Stål) (Hemiptera: Pentatomidae). A three-year study carried out in northeastern Italy was performed to investigate the distribution and field performance of the H. halys egg parasitoid Trissolcus mitsukurii (Ashmead) (Hymenoptera: Scelionidae), in comparison with other parasitoid species. In the study area, adventive populations of T. mitsukurii were present since 2016, representing the earliest detection of this species in Europe. Trissolcus mitsukurii was the most abundant parasitoid and showed a higher “parasitoid impact” (i.e., number of parasitized eggs over the total number of field-collected eggs) compared to the other species, i.e., Anastatus bifasciatus (Geoffroy) (Hymenoptera: Eupelmidae), Trissolcusbasalis (Wollaston) and Trissolcuskozlovi Rjachovskij (Hymenoptera: Scelionidae). The hyperparasitoid Acroclisoides sinicus (Huang and Liao) (Hymenoptera: Pteromalidae) was also recorded. Phylogenetic analysis of T. mitsukurii population distinguished two clades, one covering samples from Italy, Japan and China, the other from South Korea. The present study provides promising results for the biological control of a pest that is having a dramatic impact on a wide range of crops worldwide.
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Influence of Temperature on Age-Stage, Two-Sex Life Tables for a Minnesota-Acclimated Population of the Brown Marmorated Stink Bug (Halyomorpha halys). INSECTS 2020; 11:insects11020108. [PMID: 32046093 PMCID: PMC7073653 DOI: 10.3390/insects11020108] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/22/2020] [Accepted: 02/06/2020] [Indexed: 11/16/2022]
Abstract
Temperature is a critical single factor influencing insect population dynamics, and is foundational for improving our understanding of the phenology of invasive species adapting to new agroecosystems or in the process of range expansion. An age-stage, two-sex life table was therefore developed to analyze fundamental demographic features such as development, survival, and reproduction of a Minnesota-acclimated population of the invasive brown marmorated stink bug (Halyomorpha halys), in the north central USA. All salient life history parameters were estimated to better understand the population growth potential of H. halys at the current limit of its northern range in North America. We examined the effect of selected constant temperatures on immature development and survival (15-39 °C), and adult reproduction longevity (17-36 °C) of H. halys in the laboratory. The Minnesota population developed faster and survived at higher rates relative to a population that had previously established in Pennsylvania, USA. Mean generation time for the Minnesota population was minimized at 30 °C, while survival and fecundity were maximized at 27 and 23 °C, respectively. Given these findings, we assessed the effect of temperature on the intrinsic rate of increase (rm), the life table parameter that integrates the effects of temperature on development, survival, and reproduction. A Ratkowsky model predicted rmwas maximized (0.0899) at 27.5 °C. We discuss the implications of our findings for understanding population growth rates for H. halys in the context of a warming climate, and potential to emerge as a serious crop pest in the Midwest U.S. region.
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Monitoring 2.0: Update on the Halyomorpha halys Invasion of Trentino. ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 2019. [DOI: 10.3390/ijgi8120564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
“BugMap” is a citizen science mobile application that provides a platform for amateur and expert scientists to report sightings of two invasive insect pests, the tiger mosquito Aedes albopictus Skuse (Diptera: Culicidae) and the brown marmorated stink bug, Halyomorpha halys Stål (Hemiptera: Pentatomidae). The latter is a notorious pest of fruit trees, vegetables, ornamentals, and row crops, inflicting severe agricultural and ecological disturbances in invaded areas. Our approach consists of coupling traditional monitoring with citizen science to uncover H. halys invasion in Trentino. The project was initiated in 2016 and the first results were reported in 2018. Here, we revisit our initiative four years after its adoption and unravel new information related to the invader dispersal and overwintering capacity. We found that our previous model predicted the current distribution of H. halys in Trentino with an accuracy of 72.5%. A new MaxEnt model was generated by pooling all reports received so far, providing a clearer perspective on areas at risk of stink bug establishment in this north Italian region. The information herein presented is of immediate importance for enhancing monitoring strategies of this pest and for refining its integrated management tactics.
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Schifani E, Paolinelli R. Los foros y las redes sociales ayudan a descubrir especies exóticas en Europa y monitorear su propagación: el caso de Exaireta spinigera (Wiedemann, 1830) (Diptera, Stratiomyidae) en la península italiana y Sicilia. GRAELLSIA 2018. [DOI: 10.3989/graellsia.2018.v74.213] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
La mosca soldado Exaireta spinigera (Wiedemann, 1830) (Diptera, Stratiomyidae) es originaria de Australia y se introdujo en Hawái, América del Norte y se está extendiendo rápidamente por Europa. Comentamos el conocimiento sobre su presencia en Italia y publicamos los primeros registros de Sicilia. El conocimiento existente sobre la llegada y distribución de esta especie en Italia se fundamenta exclusivamente en datos proporcionados por ciudadanos a través de foros de internet y grupos de Facebook sobre biodiversidad, que así han demostrado ser una ayuda útil para la difícil detección de especies invasoras.
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