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van de Vossenberg BTLH, van Noort TH, Hooiveld-Knoppers SHZ, van der Gouw LP, Mertens JEJ, Loomans AJM. Analysis of Thaumatotibia leucotreta (Lepidoptera: Tortricidae: Olethreutinae) mitochondrial genomes in the context of a recent host range expansion. BMC Ecol Evol 2023; 23:28. [PMID: 37400779 DOI: 10.1186/s12862-023-02139-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 06/23/2023] [Indexed: 07/05/2023] Open
Abstract
BACKGROUND The false codling moth (FCM), Thaumatotibia leucotreta (Meyrick, 1913), is a significant pest of various important economic crops and is a EU quarantine pest. In the last decade the pest has been reported on Rosa spp. In this study we determined whether this shift occurred within specific FCM populations across seven eastern sub-Saharan countries or whether the species opportunistically switches to this novel host as it presents itself. To achieve this, we assessed the genetic diversity of complete mitogenomes of T. leucotreta specimens intercepted at import and analysed potential linkages with the geographical origin and host species. RESULTS Genomic, geographical and host information were integrated into a T. leucotreta Nextstrain build which contains 95 complete mitogenomes generated from material intercepted at import between January 2013 and December 2018. Samples represented seven sub-Saharan countries and mitogenomic sequences grouped in six main clades. DISCUSSION If host strains of FCM would exist, specialization from a single haplotype towards the novel host is expected. Instead, we find specimens intercepted on Rosa spp. in all six clades. The absence of linkage between genotype and host suggests opportunistic expansion to the new host plant. This underlines risks of introducing new plant species to an area as the effect of pests already present on the new plant might be unpredictable with current knowledge.
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Affiliation(s)
- Bart T L H van de Vossenberg
- Molecular Biology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
| | - Tom H van Noort
- Entomology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands.
| | - Sanne H Z Hooiveld-Knoppers
- Molecular Biology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
- Entomology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
| | - Lucas P van der Gouw
- Molecular Biology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
| | - Jan E J Mertens
- Entomology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
| | - Antoon J M Loomans
- Entomology group, Netherlands Institute for Vectors, Invasive plants and Plant Health, NVWA, Geertjesweg 15, 6706 EA, Wageningen, the Netherlands
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Popa-Báez ÁD, Lee SF, Yeap HL, Westmore G, Crisp P, Li D, Catullo R, Cameron EC, Edwards OR, Taylor PW, Oakeshott JG. Tracing the origins of recent Queensland fruit fly incursions into South Australia, Tasmania and New Zealand. Biol Invasions 2021. [DOI: 10.1007/s10530-020-02422-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Lv RC, Zhu CQ, Wang CH, Ai LL, Lv H, Zhang B, Li CM, An J, Wang PG, Hu D, Tan XZ, Yang L, Zhou HN, Tan WL. Genetic diversity and population structure of Aedes aegypti after massive vector control for dengue fever prevention in Yunnan border areas. Sci Rep 2020; 10:12731. [PMID: 32728176 PMCID: PMC7391764 DOI: 10.1038/s41598-020-69668-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 06/30/2020] [Indexed: 11/09/2022] Open
Abstract
Dengue fever is a mosquito-borne disease caused by the dengue virus. Aedes aegypti (Ae. Aegypti) is considered the primary vector of Dengue virus transmission in Yunnan Province, China. With increased urbanization, Ae. aegypti populations have significantly increased over the last 20 years. Despite all the efforts that were made for controlling the virus transmission, especially on border areas between Yunnan and Laos, Vietnam, and Myanmar (dengue-endemic areas), the epidemic has not yet been eradicated. Thus, further understanding of the genetic diversity, population structure, and invasive strategies of Ae. aegypti populations in the border areas was vital to uncover the vector invasion and distribution dynamic, and essential for controlling the infection. In this study, we analyzed genetic diversity and population structure of eight adult Ae. Aegypti populations collected along the border areas of Yunnan Province in 2017 and 2018. Nine nuclear microsatellite loci and mitochondrial DNA (mtDNA) sequences were used to achieve a better understanding of the genetic diversity and population structure. One hundred and fourteen alleles were found in total. The polymorphic information content value, together with the expected heterozygosity (He) and observed heterozygosity (Ho) values showed high genetic diversity in all mosquito populations. The clustering analysis based on Bayesian algorithm, the UPGMA and DAPC analysis revealed that all the eight Ae. aegypti populations can be divided into three genetic groups. Based on the mtDNA results, all Ae. aegypti individuals were divided into 11 haplotypes. The Ae. aegypti populations in the border areas of Yunnan Province presented with high genetic diversity, which might be ascribed to the continuous incursion of Ae. aegypti.
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Affiliation(s)
- Rui-Chen Lv
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Chang -Qiang Zhu
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Chun-Hui Wang
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Le-le Ai
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Heng Lv
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Bing Zhang
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Chun-Min Li
- The Key Laboratory of Insect Control of Insect Vectors in Yunnan Province, The Key Technology Innovation Team for Prevention and Control of Insect Vectors in Yunnan Province, Yunnan Institute of Parasitic Diseases, Pu'er, 665000, Yunnan, China
| | - Jing An
- Department of Microbiology, School of Basic Medical Science, Capital Medical University, Beijing, 100069, China
| | - Pei-Gang Wang
- Department of Microbiology, School of Basic Medical Science, Capital Medical University, Beijing, 100069, China
| | - Dan Hu
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Xian-Zhe Tan
- Nanjing Foreign Language School, Nanjing, 210008, Jiangsu, China
| | - Lu Yang
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China
| | - Hong-Ning Zhou
- The Key Laboratory of Insect Control of Insect Vectors in Yunnan Province, The Key Technology Innovation Team for Prevention and Control of Insect Vectors in Yunnan Province, Yunnan Institute of Parasitic Diseases, Pu'er, 665000, Yunnan, China.
| | - Wei-Long Tan
- Department of Vector Control, Huadong Research Institute for Medicine and Biotechnics, Nanjing, 210002, Jiangsu, China.
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Ecological Drivers and Sex-Based Variation in Body Size and Shape in the Queensland Fruit Fly, Bactrocera tryoni (Diptera: Tephritidae). INSECTS 2020; 11:insects11060390. [PMID: 32586012 PMCID: PMC7348979 DOI: 10.3390/insects11060390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/25/2020] [Accepted: 06/17/2020] [Indexed: 12/05/2022]
Abstract
The Queensland fruit fly (Bactrocera tryoni; Q-fly) is an Australian endemic horticultural pest species, which has caused enormous economic losses. It has the potential to expand its range to currently Q-fly-free areas and poses a serious threat to the Australian horticultural industry. A large number of studies have investigated the correlation between environmental factors and Q-fly development, reproduction, and expansion. However, it is still not clear how Q-fly morphological traits vary with the environment. Our study focused on three morphological traits (body size, wing shape, and fluctuating asymmetry) in Q-fly samples collected from 1955 to 1965. We assessed how these traits vary by sex, and in response to latitude, environmental variables, and geographic distance. First, we found sexual dimorphism in body size and wing shape, but not in fluctuating asymmetry. Females had a larger body size but shorter and wider wings than males, which may be due to reproductive and/or locomotion differences between females and males. Secondly, the body size of Q-flies varied with latitude, which conforms to Bergmann’s rule. Finally, we found Q-fly wing shape was more closely related to temperature rather than aridity, and low temperature and high aridity may lead to high asymmetry in Q-fly populations.
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van de Vossenberg BTLH, Warbroek T, Ingerson-Mahar J, Waalwijk C, van der Gouw LP, Eichinger B, Loomans AJM. Tracking outbreak populations of the pepper weevil Anthonomus eugenii (Coleoptera; Curculionidae) using complete mitochondrial genomes. PLoS One 2019; 14:e0221182. [PMID: 31412079 PMCID: PMC6693850 DOI: 10.1371/journal.pone.0221182] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 07/31/2019] [Indexed: 11/19/2022] Open
Abstract
The pepper weevil, Anthonomus eugenii, is a major pest on Capsicum species. Apart from natural spread, there is a risk of spread via international pepper trade. In the Netherlands, a pepper weevil outbreak occurred in 2012 and affected six greenhouses producing different sweet pepper varieties. The following year, a pepper weevil outbreak occurred in Italy. To trace the origin of the Dutch outbreak and to establish if the Dutch and Italian outbreaks were linked, we determined the mitogenomes of A. eugenii specimens collected at outbreak locations, and compared these with specimens from the native area, and other areas where the pest was introduced either by natural dispersal or via trade. The circular 17,257 bp A. eugenii mitogenome comprises thirteen mitochondrial genes typically found in insect species. Intra-species variation of these mitochondrial genes revealed four main mitochondrial lineages encompassing 41 haplotypes. The highest diversity was observed for specimens from its presumed native area (i.e. Mexico). The Dutch outbreak specimens represented three highly similar haplotypes, suggesting a single introduction of the pest. The major Dutch haplotype was also found in two specimens from New Jersey. As the Netherlands does not have pepper trade with New Jersey, it is likely that the specimens sampled in New Jersey and those sampled in the Netherlands originate from a shared source that was not included in this study. In addition, our analysis shows that the Italian and Dutch outbreaks were not linked. The mitochondrial genome is a useful tool to trace outbreak populations and the methodology presented in this paper could prove valuable for other invasive pest species, such as the African fruit moth Thaumatotibia leucotreta and emerald ash borer Agrilus planipennis.
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Affiliation(s)
- Bart T. L. H. van de Vossenberg
- National Reference Centre of plant health, Dutch National Plant Protection Organization, Wageningen, Gelderland, the Netherlands
- * E-mail:
| | - Tim Warbroek
- National Reference Centre of plant health, Dutch National Plant Protection Organization, Wageningen, Gelderland, the Netherlands
| | - Joseph Ingerson-Mahar
- Department of Entomology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Cees Waalwijk
- Biointeractions and Plant health, Wageningen University & Research, Wageningen, Gelderland, the Netherlands
| | - Lucas P. van der Gouw
- National Reference Centre of plant health, Dutch National Plant Protection Organization, Wageningen, Gelderland, the Netherlands
| | - Bernadette Eichinger
- Department of Entomology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Antoon J. M. Loomans
- National Reference Centre of plant health, Dutch National Plant Protection Organization, Wageningen, Gelderland, the Netherlands
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Blacket MJ, Malipatil MB, Semeraro L, Gillespie PS, Dominiak BC. Screening mitochondrial DNA sequence variation as an alternative method for tracking established and outbreak populations of Queensland fruit fly at the species southern range limit. Ecol Evol 2017; 7:2604-2616. [PMID: 28428851 PMCID: PMC5395428 DOI: 10.1002/ece3.2783] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 12/29/2016] [Accepted: 01/11/2017] [Indexed: 12/03/2022] Open
Abstract
Understanding the relationship between incursions of insect pests and established populations is critical to implementing effective control. Studies of genetic variation can provide powerful tools to examine potential invasion pathways and longevity of individual pest outbreaks. The major fruit fly pest in eastern Australia, Queensland fruit fly Bactrocera tryoni (Froggatt), has been subject to significant long‐term quarantine and population reduction control measures in the major horticulture production areas of southeastern Australia, at the species southern range limit. Previous studies have employed microsatellite markers to estimate gene flow between populations across this region. In this study, we used an independent genetic marker, mitochondrial DNA (mtDNA) sequences, to screen genetic variation in established and adjacent outbreak populations in southeastern Australia. During the study period, favorable environmental conditions resulted in multiple outbreaks, which appeared genetically distinctive and relatively geographically localized, implying minimal dispersal between simultaneous outbreaks. Populations in established regions were found to occur over much larger areas. Screening mtDNA (female) lineages proved to be an effective alternative genetic tool to assist in understanding fruit fly population dynamics and provide another possible molecular method that could now be employed for better understanding of the ecology and evolution of this and other pest species.
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Affiliation(s)
- Mark J Blacket
- Agriculture Victoria AgriBio, Centre for AgriBioscience Bundoora Victoria 3083 Australia
| | - Mali B Malipatil
- Agriculture Victoria AgriBio, Centre for AgriBioscience Bundoora Victoria 3083 Australia.,School of Applied Systems Biology La Trobe University Bundoora Victoria 3083 Australia
| | - Linda Semeraro
- Agriculture Victoria AgriBio, Centre for AgriBioscience Bundoora Victoria 3083 Australia
| | - Peter S Gillespie
- Agricultural Scientific Collections Unit Department of Primary Industries New South Wales Orange Agricultural Institute Orange NSW Australia
| | - Bernie C Dominiak
- Department of Primary Industries New South Wales Orange NSW Australia
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