INSECTS

Common Blue

Polyommatus icarus

Insects
IntroducedDiurnal
Common Blue, photo 1 of 5
Common Blue, Caterpillar
Common Blue, Male
28–36 mmWingspan
15 mmLength

Butterfly or moth in the family Lycaenidae with a wingspan of 28–36 mm. Introduced to Québec and diurnal. Lives in fields and in urban areas. Feeds on plants.

There are 2,937 observations of Common Blue in Québec, mostly in Montréal, Montérégie and Laurentides, and it has been reported in 11 of the 17 regions. They peak from July to September and become rare from November to May.

What the caterpillar eats

Similar species