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

Phoebis sennae marcellina ♂ wingspan 61 mm, COSTA RICA: Guanacaste Prov.:
Area de Conservacion Guanacaste, Sector Del Oro,
Quebrada Suamposa, 290m, collected on 28-I-2005 as penpenultimate instar,
eclosed on 14-II-2005, foodplant Senna obtusifolia
voucher code 05-SRNP-20508, image code 05-SRNP-20508-DHJ308793.jpg
image from http://janzen.sas.upenn.edu/