D. plexippus megalippe vs plexippus

Woody Woods woody.woods at umb.edu
Sat Sep 18 23:23:41 EDT 2004


I have chipped in on this subject before but am not, as I guess I have
apologized before, a taxonomist. I need to cite any known distinctions,
whether morphological or ecological, between D. plexippus plexippus and D.
Plexippus megalippe. What I know comes from Ackery and Vane-Wright's
"Milkweed Butterflies", W. Haber's 1993 article on Monarchs and other Costa
Rican migrators, and direct experience-- and, um, they look pretty much the
same to me, except that the Costa Rican D. p. megalippe undertakes a
short-range altitudinal migration and remains reproductively active

Any citeable references?



William A. Woods Jr.
Department of Biology
University of Massachusetts Boston
100 Morrissey Blvd
Boston, MA 02125

Lab: 617-287-6642
Fax: 617-287-6650


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