Common Blue

Polyommatus icarus

The Common Blue is a small butterfly in the family Lycaenidae, widespread over much of the Palaearctic. Recently, ''Polyommatus icarus'' was discovered in Mirabel, Quebec, Canada by Ara Sarafian, an amateur entomologist who observed the butterfly from 2005 to 2008. He contacted the Canadian National Collection of Insects in Ottawa where the butterfly was identified as ''P. icarus'', a new alien butterfly to Canada and to North America. The butterfly seems to be well established and is extending its range from year to year .

The larva feeds on Leguminosae. Recorded foodplants are ''Lathyrus'' spp., ''Vicia'' spp., ''Vicia cracca'', ''Oxytropis campestris'', ''Lotus corniculatus'', ''Trifolium pratense'', ''Oxytropis pyrenaica'', ''Astragalus aristatus'', ''Astragalus onobrychis'' , ''Astragalus pinetorum'', ''Medicago romanica'', ''Medicago falcata'' and ''Trifolium repens''.

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