Danaus plexippus plexippus (Linnaeus, 1758);  Comments: N & C America, Cuba, N Bahamas (to Crooked I.); migratory TL: [USA (NY)].

Danaus plexippus plexippus larva on Asclepias syriaca
Great Meadows National Wildlife Refuge, Concord,
Middlesex Co., MASSACHUSETTS USA 7-VIII-2010