Phoebis sennae marcellina (Cramer, 1777);  Comments: SW USA (strays far N), S TX through Panama, most S. America TL: Surinam.

Phoebis sennae marcellina ♀ wingspan 56 mm, COSTA RICA: Guanacaste Prov.:
Area de Conservacion Guanacaste, Sector Mundo Nuevo,
Estacion La Perla, 325m, collected on 24-II-2005 as penpenultimate instar,
eclosed on 12-III-2005, foodplant Senna pallida
voucher code 05-SRNP-55377, image code 05-SRNP-55377-DHJ308797.jpg
image from http://janzen.sas.upenn.edu/