Edwards' Hairstreak (Satyrium edwardsii)
Arden, ON 2013/07/06
Walsingham, ON 2017/07/26
Member of Family: Lycaenidae
French common name: Porte-queue d'Edwards
This species is can be locally common in some areas, but overall, it is less common than the Banded Hairstreak which it closely resembles.
To see where this butterfly has been reported, visit: The Ontario Butterfly Atlas Online