Biology and biogeography of the chalk-hill blue Polyommatus coridon – insect of the year 2015 for Germany, Austria and Switzerland


	Copula of the chalk-hill blue with closed wings. The differences in wing pattern between female (left) and male (right) are easily recognised. Csákvár, Vértes mountains, western Hungary, 08.VIII.2014. Photo: Thomas Schmitt.

Part of: Schmitt T (2015) Biology and biogeography of the chalk-hill blue Polyommatus coridon – insect of the year 2015 for Germany, Austria and Switzerland. Nota Lepidopterologica 38(2): 107-126. https://doi.org/10.3897/nl.38.4977