Muuuh Wildlife Photography

European Common Blue - Polyommattus icarus

A small butterfly species with intense blue color on the back of the wings and beautiful pattern on the lower side of the wings, It is an European species introduced in the Mirabel Airport region and now frequently observed in Montreal and surrounding area.

Common Names

  • European Common Blue (en)
  • Mariposa ícaro (es)
  • Argus bleu (fr)
  • Hauhechel-Bläuling (de)


  • Lepidoptera
  • Lycaenidae
  • Polyommattus icarus

Where & When to Spot

I have been able to spot this species in different parks in Montreal. Usually late summer, early autumn.

How to Identify

There are similar species with the intense blue color of the wing, endemic to the region. I identify this species based on the pattern of black and orange spots on the underside of the wings.


European Common Blue (Polyommattus icarus)

European Common Blue (Polyommattus icarus)

Rapids Park Lachine - 2018-09-22

NIKON D500; 90mm f/2.8; Focal Length 90mm; Exposure 1/200; Aperture f8.0; Iso 180;

European Common Blue (Polyommattus icarus)

European Common Blue (Polyommattus icarus)

Fluorescent blue! A individual enjoying the sunbeams of this autumn day.

Champ des Possibles, Montreal - 2015-09-26

NIKON D7100; 18-140mm f/3.5-5.6; Focal Length 140mm; Exposure 1/800; Aperture f5.6; Iso 200;

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