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7 results for “Euphydryas aurinia”
Strong isolation by distance among local populations of an endangered butterfly species (Euphydryas aurinia)
<p>The marsh fritillary (<i>Euphydryas aurinia</i>) is a critically endangered butterfly species in Denmark known to be particularly vulnerable to habitat fragmentation due to its poor dispersal capacity. We identified and genotyped 318 novel SNP loci across 273 individuals obtained from 10 small and fragmented populations in Denmark using a genotyping-by-sequencing (GBS) approach to investigate its population genetic structure. Our results showed clear genetic substructuring and highly significant population differentiation based on genetic divergence (F<sub>ST</sub>) among the 10 populations. The populations clustered in three overall clusters and due to further substructuring among these, it was possible to clearly distinguish six clusters in total. We found highly significant deviations from Hardy-Weinberg equilibrium due to heterozygote deficiency within every population investigated which indicates substructuring and/or inbreeding (due to mating among closely related individuals). The stringent filtering procedure that we have applied to our genotype quality could have overestimated the heterozygote deficiency and the degree of substructuring of our clusters but is allowing relative comparisons of the genetic parameters among clusters. Genetic divergence increased significantly with geographic distance, suggesting limited gene flow at spatial scales comparable to the dispersal distance of individual butterflies and strong isolation by distance. Altogether, our results clearly indicate that the marsh fritillary populations are genetically isolated. Further, our results highlight that the relevant spatial scale for conservation of rare, low mobile species may be smaller than previously anticipated.</p>
Data from: Evaluating inbreeding and assessing the risk of outbreeding depression in genetic rescue of the endangered marsh fritillary (<em>Euphydryas aurinia</em>)
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Strong isolation by distance among local populations of an endangered butterfly species (Euphydryas aurinia)
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Supplementary material 1 from: Konvičková H, John V, Konvička M, Rindoš M, Hrček J (2024) High hymenopteran parasitoid infestation rates in Czech populations of the Euphydryas aurinia butterfly inferred using a new molecular marker. Journal of Hymenoptera Research 97: 29-42. https://doi.org/10.3897/jhr.97.113231
List of sampled colonies of E. aurinia
Figure 1 from: Konvičková H, John V, Konvička M, Rindoš M, Hrček J (2024) High hymenopteran parasitoid infestation rates in Czech populations of the Euphydryas aurinia butterfly inferred using a new molecular marker. Journal of Hymenoptera Research 97: 29-42. https://doi.org/10.3897/jhr.97.113231
Figure 1 The distribution of Euphydryas aurinia in the Czech Republic, historic records included, based on Beneš et al. (2002), with actualisations. The inset in upper right corner shows the position of the country in Europe.
Figure 3 from: Konvičková H, John V, Konvička M, Rindoš M, Hrček J (2024) High hymenopteran parasitoid infestation rates in Czech populations of the Euphydryas aurinia butterfly inferred using a new molecular marker. Journal of Hymenoptera Research 97: 29-42. https://doi.org/10.3897/jhr.97.113231
Figure 3 Per-site hymenopteran parasitoids infestation rates in colonies of the butterfly Euphydryas aurinia in two consecutive years (2019–20), with information of caterpillar web counts in the respective colonies in 2018–2021 (above), and illustration of the relationship between hymenopteran parasitoids infestation rates and E. aurinia caterpillar web counts in the previous year (below).
Figure 2 from: Konvičková H, John V, Konvička M, Rindoš M, Hrček J (2024) High hymenopteran parasitoid infestation rates in Czech populations of the Euphydryas aurinia butterfly inferred using a new molecular marker. Journal of Hymenoptera Research 97: 29-42. https://doi.org/10.3897/jhr.97.113231
Figure 2 Electrophoresis gels used to assess whether the primers used can discriminate lepidopteran hosts and hymenopteran parasitoids a various adult hymenopteran parasitoids (PCRs are positive) and positive (P) and negative (N) samples of E. auriniab four species of adult butterflies; PCRs are negative. The adult specimens of Hymenoptera and Lepidoptera were identified by M. Rindoš, M. Konvička, and Z. Faltýnek Fric.
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