Giant Swallowtail (Papilio cresphontes) chrysalis, Fermilab, DuPage County, Illinois, 20 October 2002
Giant Swallowtail (Papilio cresphontes) chrysalis, Fermilab, DuPage County, Illinois, 16 March 2003
Giant Swallowtail (Papilio cresphontes), (emerged from chrysalis in captivity), DuPage County, Illinois, 29 May 2003
Giant Swallowtail (Papilio cresphontes), (emerged from chrysalis in captivity), DuPage County, Illinois, 29 May 2003
Giant Swallowtail (Papilio cresphontes), Fermilab, Kane County, Illinois, 28 August 2002
Giant Swallowtail (Papilio cresphontes), Fermilab, DuPage County, Illinois, 16 August 2003
Giant Swallowtail (Papilio cresphontes), Fermilab, DuPage County, Illinois, 14 August 2003
Giant Swallowtail (Papilio cresphontes), Fermilab, DuPage County, Illinois, 14 August 2003