Diversification linked to larval host plant in the butterfly<i>Eumedonia eumedon</i>

Hinojosa, Joan Carles; Montiel‐Pantoja, Cecilia; Sanjurjo‐Franch, Miguel; Martínez‐Pérez, Isabel; Lee, Kyung Min; Mutanen, Marko; Vila, Roger

doi:10.1111/mec.16728

Cited by 6 publications

(6 citation statements)

References 132 publications

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“…Despite the clear patterns of genetic structure present in this species, F ST values between populations of Hayden's ringlets were low to moderate. The scale of differentiation we observed is consistent with fine‐ to moderate‐scale genetic population structure ( F ST between 0.01 and 0.2) seen in other non‐migratory butterfly species (Hinojosa et al., 2023; Pertoldi et al., 2021; Talla et al., 2019, 2023), and on average greater than in migratory species like monarchs (

F_{ST} = 0.0001

) (Talla et al., 2020). While the F ST values we observed may be considered low in other groups of organisms, in many cases F ST values between nominal species of butterflies are not considerably greater than what we found within populations of the Hayden's ringlet (i.e.…”

Section: Discussionsupporting

confidence: 88%

Considerable genetic diversity and structure despite narrow endemism and limited ecological specialization in the Hayden's ringlet, Coenonympha haydenii

Springer,

Gompert

2024

Molecular Ecology

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Understanding the processes that underlie the development of population genetic structure is central to the study of evolution. Patterns of genetic structure, in turn, can reveal signatures of isolation by distance (IBD), barriers to gene flow, or even the genesis of speciation. However, it is unclear how severe range restriction might impact the processes that dominate the development of genetic structure. In narrow endemic species, is population structure likely to be adaptive in nature, or rather the result of genetic drift? In this study, we investigated patterns of genetic diversity and structure in the narrow endemic Hayden's ringlet butterfly. Specifically, we asked to what degree genetic structure in the Hayden's ringlet can be explained by IBD, isolation by resistance (IBR) (in the form of geographic or ecological barriers to migration between populations), and isolation by environment (in the form of differences in host plant availability and preference). We employed a genotyping‐by‐sequencing (GBS) approach coupled with host preference assays, Bayesian modelling, and population genomic analyses to answer these questions. Our results suggest that despite their restricted range, levels of genetic diversity in the Hayden's ringlet are comparable to those seen in more widespread butterfly species. Hayden's ringlets showed a strong preference for feeding on grasses relative to sedges, but neither larval preference nor potential host availability at sampling sites correlated with genetic structure. We conclude that geography, in the form of IBR and simple IBD, was the major driver of contemporary patterns of differentiation in this narrow endemic species.

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F_{ST} = 0.0001

Section: Discussionsupporting

confidence: 88%

Considerable genetic diversity and structure despite narrow endemism and limited ecological specialization in the Hayden's ringlet, Coenonympha haydenii

Springer,

Gompert

2024

Molecular Ecology

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“…The combination of this approach with ddRADseq data from insects has been proven to extract reliable information on the infection of host individual samples by bacterial endosymbionts (Hinojosa et al . 2022, 2023). Briefly, reads matching to Wolbachia genomes were extracted and subjected to a comprehensive quality filtering pipeline as detailed in Supplementary Methods S5.…”

Section: Methodsmentioning

confidence: 99%

“…This novel approach has been proven to provide reliable and sensitive inferences on the presence and abundance of bacterial endosymbionts in ddRADseq data from insect samples (Hinojosa et al . 2019, 2020, 2022, 2023). CENTRIFUGE was run with default settings and using the most updated Archaea and Bacteria index provided by CENTRIFUGE developers (https://genome-idx.s3.amazonaws.com/centrifuge/p_compressed_2018_4_15.tar.gz), which is composed of 3,333 complete reference genomes.…”

Section: Supplementary Materialsmentioning

confidence: 99%

Wolbachiaas agents of extensive mtDNA lineage sharing between species through multiple infection

Noguerales,

Emerson

2024

Preprint

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Wolbachia can manipulate arthropod host reproduction, triggering the homogenisation of mtDNA variation within species and introgression between hybridising species through indirect selection. While fixation within species of mtDNA variants linked to Wolbachia infections has been documented, a broader understanding of the potential consequences of Wolbachia infection through hybridisation is limited. Here we evaluate Wolbachia transmission through hybridisation as a mechanistic explanation for extensive mtDNA paraphyly between two species of iron-clad beetle (Zopheridae). Our analyses reveal a complex pattern of mitochondrial variation, supporting the introgression of at least five mtDNA lineages from Tarphius canariensis into T. simplex, in a background of a shared Wolbachia infection across both species. Genetic clustering and demographic simulations reveal a clear pattern of nuclear differentiation between species, a limited signature of historical gene flow, and the eastwards range expansion of T. simplex across the existing distribution of T. canariensis. These results are consistent with hybridisation during early stages of secondary contact, during which Wolbachia infection facilitated recurrent mtDNA introgression events. These results highlight the complex restructuring of mitochondrial differentiation across invertebrate species that can result from bacterial endosymbiotic infections, a phenomena with potentially profound impacts for the disciplines of phylogeography and species delimitation.

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“…For example, Hinojosa et al. ( 2023 ) suggested that the use of different plants has led to reproductive isolation for Eumedonia eumedon (Esper, 1780). Alternatively, plant availability or plant quality may be significant.…”

Section: Introductionmentioning

confidence: 99%

“…The usage of different plant species in different regions or habitats could indicate cryptic speciation. For example, Hinojosa et al (2023) suggested that the use of different plants has led to reproductive isolation for Eumedonia eumedon (Esper, 1780).…”

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confidence: 99%

A checklist of European butterfly larval foodplants

Clarke

2024

Ecology and Evolution

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Butterflies are charismatic insects and have been well studied, particularly in Europe. They are disproportionately used in generating and testing hypotheses; on everything from general evolutionary processes, such as speciation or host association dynamics; to conservation‐related studies, such as climate change or habitat loss. Accurate lists of the larval foodplants for European butterflies are not readily available. Mistakes are propagated and information cannot be checked for accuracy. The level of evidence is unknown, and how usage varies between countries is poorly understood. The study consulted 1119 references to produce 19,488 records of larval foodplants for European butterflies. This resulted in 5589 larval host plant records for 464 European butterfly species, with multiple references, enabling information to be checked. Information was unavailable for 59 species. The level of evidence for each relationship shows the current state of knowledge. Significant issues were identified for 3.9% of records extracted from references due to mistakes, ambiguous or unknown plant names, distribution issues, resulting in information being lost. Plants with questionable distributions suggest either mis‐identification or species that have been split. Little is known about plant usage in Eastern Europe. The larval foodplants of many monophagous and Satyrinae butterflies are poorly studied. Only 63% of threatened 2010 Red Listed butterflies have reliable host plant records. The study has provided ecologists with a valuable resource, of a more accurate checklist of the larval foodplants for each European country. Why plant usage varies over a butterfly's distribution opens up some interesting research questions.

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Diversification linked to larval host plant in the butterflyEumedonia eumedon

Cited by 6 publications

References 132 publications

Considerable genetic diversity and structure despite narrow endemism and limited ecological specialization in the Hayden's ringlet, Coenonympha haydenii

Considerable genetic diversity and structure despite narrow endemism and limited ecological specialization in the Hayden's ringlet, Coenonympha haydenii

Wolbachiaas agents of extensive mtDNA lineage sharing between species through multiple infection

A checklist of European butterfly larval foodplants

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