Proteides mercurius mercurius (Fabricius, 1787);   Mercurial Skipper,   Comments: continental, S Texas to Argentina, SE Arizona as rare stray.

♂ wingspan 57 mm, COSTA RICA: Guanacaste Prov.: Area de Conservacion Guanacaste, Potrerillos, Quebrada Puercos, 155m, collected on 01-IX-2004 as penultimate instar, eclosed on 26-X-2004, foodplant Lonchocarpus acuminatus voucher code 04-SRNP-14109, image code 04-SRNP-14109-DHJ303510.jpg image from http://janzen.sas.upenn.edu/