Western Pine Elfin (Callophrys eryphon)
Algonquin Provincial Park, ON 2012/05/21
Matachewan, ON 2014/05/31
Member of Family: Lycaenidae
French common name: Lutin du pin gris
Though nominally a western species, there are localized populations in Ontario, including in Algonquin Park. It can be difficult to distinguish this butterfly from the more common Eastern Pine Elfin.
To see where this butterfly has been reported, visit: The Ontario Butterfly Atlas Online