Parasitism of the “Fuller’s rose weevil” Naupactus cervinus by Microctonus sp. in Argentina

Rodriguero, Marcela Silvina; Aquino, Daniel Alejandro; Loiácono, Marta Susana; Costa, Agustín Jorge Elías; Confalonieri, Viviana A.; Lanteri, Analía Alicia

doi:10.1007/s10526-014-9595-6

Cited by 8 publications

(6 citation statements)

References 39 publications

(48 reference statements)

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“…cervinus , which share the original area (Rodriguero et al. ), should be thoroughly studied as an alternative to chemical pesticides. The considerations mentioned above emphasize the importance of knowing both N .…”

Section: Final Considerationsmentioning

confidence: 99%

“…Our ecological niche modeling analysis indicates that special attention should be paid to prevent the introduction of N. cervinus through commercial foreign trade into China and the coast of the Caspian Sea, with optimal conditions for the colonization of this species. Additionally, natural enemies of N. cervinus, which share the original area (Rodriguero et al 2014), should be thoroughly studied as an alternative to chemical pesticides. The considerations mentioned above emphasize the importance of knowing both N. cervinus original and potential distribution areas for the design of environmentally friendly control strategies.…”

Section: Final Considerationsmentioning

confidence: 99%

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Out of the forest: past and present range expansion of a parthenogenetic weevil pest, or how to colonize the world successfully

Rodriguero

Lanteri

Guzmán

et al. 2016

Ecology and Evolution

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Previous research revealed complex diversification patterns in the parthenogenetic weevil Naupactus cervinus. To understand the origin of clonal diversity and successful spreading of this weevil, we investigated its geographic origin and possible dispersal routes and whether parthenogens can persist in habitats under unsuitable environmental conditions. This study is based on samples taken throughout a broad area of the species’ range. We used both mitochondrial and nuclear markers and applied phylogenetic and network analyses to infer possible relationships between haplotypes. Bayesian phylogeographic analyses and ecological niche modeling were used to investigate the processes that shaped genetic diversity and enabled the colonization of new geographic areas. Southeastern Brazil emerges as the original distribution area of N. cervinus. We detected two range expansions, one along natural corridors during the Pleistocene and the other in countries outside South America during recent times. Isolation due to climate shifts during the early Pleistocene led to diversification in two divergent clades, which probably survived in different refugia of the Paranaense Forest and the Paraná River delta. The origin of the clonal diversity was probably a complex process including mutational diversification, hybridization, and secondary colonization. The establishment of N. cervinus in areas outside its native range may indicate adaptation to drier and cooler conditions. Parthenogenesis would be advantageous for the colonization of new environments by preventing the breakup of successful gene combinations. As in other insect pests, the present distribution of N. cervinus results from both its evolutionary history and its recent history related to human activities.

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Section: Final Considerationsmentioning

confidence: 99%

Section: Final Considerationsmentioning

confidence: 99%

Out of the forest: past and present range expansion of a parthenogenetic weevil pest, or how to colonize the world successfully

Rodriguero

Lanteri

Guzmán

et al. 2016

Ecology and Evolution

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“…Another component of establishment success could be the linkage disequilibrium between genomic variants as a byproduct of parthenogenetic reproduction detected by [ 24 ], originating co-adapted gene complexes or supergenes, i.e., clusters of tightly linked loci [ 57 ]. Lack of natural enemies, such as parasitoids [ 58 , 59 ], may also be beneficial for establishment in new areas, where population size may increase without biotic restrictions.…”

Section: Discussionmentioning

confidence: 99%

Genetically Depauperate and Still Successful: Few Multilocus Genotypes of the Introduced Parthenogenetic Weevil Naupactus cervinus (Coleoptera: Curculionidae) Prevail in the Continental United States

Rodriguero

Confalonieri

Mackay-Smith

et al. 2023

Insects

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Naupactus cervinus is a parthenogenetic weevil native to South America that is currently distributed worldwide. This flightless species is polyphagous and capable of modifying gene expression regimes for responding to stressful situations. Naupactus cervinus was first reported in the continental United States in 1879 and has rapidly colonized most of the world since. Previous studies suggested that an invader genotype successfully established even in areas of unsuitable environmental conditions. In the present work, we analyze mitochondrial and nuclear sequences from 71 individuals collected in 13 localities across three states in the southern US, in order to describe the genetic diversity in this area of introduction that has not yet been previously studied. Our results suggest that 97% of the samples carry the most prevalent invader genotype already reported, while the rest shows a close mitochondrial derivative. This would support the hypothesis of a general purpose genotype, with parthenogenesis and its associated lack of recombination maintaining the linkage of genetic variants capable of coping with adverse conditions and enlarging its geographical range. However, demographic advantages related to parthenogenetic reproduction as the main driver of geographic expansion (such as the foundation of a population with a single virgin female) cannot be ruled out. Given the historical introduction records and the prevalence of the invader genotype, it is possible that the continental US may act as a secondary source of introductions to other areas. We propose that both the parthenogenesis and scarce genetic variation in places of introduction may, in fact, be an asset that allows N. cervinus to thrive across a range of environmental conditions.

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“…transfer, cohabitation, and foraging on the same host plants [52][53][54][55]. So far, in the case of weevils, mainly indirect evidence was provided of such transmissions [56][57][58][59].…”

Section: Discussionmentioning

confidence: 99%

Parthenogenesis in weevils of the tribe Naupactini (Coleoptera, Curculionidae): aWolbachia-density dependent trait?

Cabral

Goya

Piccinali

et al. 2020

Preprint

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The intracellular bacteria Wolbachia pipientis can manipulate host reproduction to enhance their vertical transmission. It has been reported an association between parthenogenesis and Wolbachia infection in weevils from the tribe Naupactini. A curing experiment suggested that a threshold density of Wolbachia is required for parthenogenesis to occur. The aim of this study was to analyse Wolbachia infection status in the bisexual species Naupactus xanthographus and Naupactus dissimulator . Wolbachia infection was detected in both species from some geographic locations, not being fixed. In all positive cases, faint PCR bands were observed. Quantification through real time PCR confirmed that Wolbachia loads in bisexual species were significantly lower than in parthenogenetic ones; this strengthens the hypothesis of a threshold level. Strain typing showed that both species carry w Nau1, the most frequent in parthenogenetic Naupactini weevils. These infections seem to be recently acquired by horizontal transfer. Wolbachia was located throughout the whole body, which reinforce the idea of recent transmission. Moreover, we demonstrated that this strain carries the WO phage. Finally, the analysis of eubacterial 16S rRNA gene showed intense PCR bands for both bisexual species, suggesting –the presence of additional bacteria. Interspecific competition might explain why the parthenogenetic phenotype is not triggered.

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Parasitism of the “Fuller’s rose weevil” Naupactus cervinus by Microctonus sp. in Argentina

Cited by 8 publications

References 39 publications

Out of the forest: past and present range expansion of a parthenogenetic weevil pest, or how to colonize the world successfully

Out of the forest: past and present range expansion of a parthenogenetic weevil pest, or how to colonize the world successfully

Genetically Depauperate and Still Successful: Few Multilocus Genotypes of the Introduced Parthenogenetic Weevil Naupactus cervinus (Coleoptera: Curculionidae) Prevail in the Continental United States

Parthenogenesis in weevils of the tribe Naupactini (Coleoptera, Curculionidae): aWolbachia-density dependent trait?

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