Acadian
Hairstreak
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Size - 25 to 30 mm.
On the wing - End of June until mid August.
Range - Lower latitudes of Alberta to Nova Scotia.
Host plants - Willow.
Favourite habitat - Damp open areas.
Special notes - Adults are often found on milkweed near willow it's host plant. It is one of the largest Hairstreaks and has a distinguishing row of black spots on the underside of wing.