Eastern Tiger Swallowtail

Eastern Tiger Swallowtail (Papilio glaucus)

	Eastern Tiger Swallowtail (Papilio glaucus), male Fermilab, DuPage County, Illinois August 15, 2003
	Eastern Tiger Swallowtail (Papilio glaucus), female Fermilab, Kane County, Illinois August 28, 2002
	Eastern Tiger Swallowtail (Papilio glaucus), female dark form Fermilab, Kane County, Illinois August 28, 2002 This female dark form was flying near the yellow female, above, at the same time at Fermilab.
	Eastern Tiger Swallowtail (Papilio glaucus), male, underside Fermilab, DuPage County, Illinois August 10, 2003
	Eastern Tiger Swallowtail (Papilio glaucus), female dark form, underside Fermilab, Kane County, Illinois July 31, 2002 Note that the "tiger" stripes are visible as black-on-gray.