Eastern Tiger Swallowtail (Papilio glaucus)
Rocky Point Provincial Park, ON 2016/08/06
Male - James N Allan Provincial Park, ON 2016/08/01
Black form Female - Green Ridge State Forest, MD 2015/05/05
Female - Port Colborne, ON 2016/08/02
Member of Family: Papilionidae
French common name: Papillon tigré de l'Est
This southern species does not range beyond Southern Ontario. The Midsummer Tiger overlaps this range, as well as that of the more northerly Canadian Tiger Swallowtail. The black form of the female shown at bottom left is fairly rare in Ontario, and so far, I have only seen it in the US.
To see where this butterfly has been reported, visit: The Ontario Butterfly Atlas Online
For further info on this species, visit the Butterflies of Canada ( en français ) but for more information about recent research on the taxonomy of the Tiger Swallowtail group in Ontario, visit this summary page on the TEA website.