Author:
Piszter Gábor,Kertész Krisztián,Sramkó Gábor,Krízsik Virág,Bálint Zsolt,Biró László Péter
Abstract
AbstractThe males of more than 80% of the Lycaenidae species belonging to the tribe Polyommatini exhibit structural coloration on their dorsal wing surfaces. These colors have a role in reinforcement in prezygotic reproductive isolation. The species-specific colors are produced by the cellular self-assembly of chitin/air nanocomposites. The spectral position of the reflectance maximum of such photonic nanoarchitectures depends on the nanoscale geometric dimensions of the elements building up the nanostructure. Previous work showed that the coloration of male Polyommatus icarus butterflies in the Western and Eastern Palearctic exhibits a characteristic spectral difference (20 nm). We investigated the coloration and the de novo developed DNA microsatellites of 80 P. icarus specimens from Europe from four sampling locations, spanning a distance of 1621 km. Remarkably good concordance was found between the spectral properties of the blue sexual signaling color (coincident within 5 nm) and the population genetic structure as revealed by 10 microsatellites for the P. icarus species.
Funder
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal
Magyar Tudományos Akadémia
Hungarian Natural History Museum
Publisher
Springer Science and Business Media LLC
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