Fig. 1. The upper sides of imagos of Polyommatus icarus. (A) Males exhibit an iridescent bright blue to violet coloration due to structural elaboration of wing scales. (B) Females have dark brown uppersides with a row of more or less pronounced submarginal orange spots. Females may have an additional iridescent blue coloration, as in males, ‘dusted’ over a smaller or larger part of the wings. Scale bars, 5mm.

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