Polythrix caunus (Herrich-Schäffer, 1869);   Four-spotted Longtail,   Comments: E Mexico to S Brazil and Paraguay.

wingspan 42 mm, COSTA RICA: Guanacaste Prov.: Area de Conservacion Guanacaste, Sector Cacao, Sendero Pajarito, 600m, collected on 14-III-2004 as last instar, eclosed on 02-IV-2004, foodplant Anemopaegma puberulum voucher code 04-SRNP-45147, image code 04-SRNP-45147-DHJ348810.jpg image from http://janzen.sas.upenn.edu/