Potamanaxas thoria (Hewitson, 1870);  Comments: Nicaragua to Peru TL: Ecuador.

Potamanaxas thoria penultimate instar, length 10 mm
COSTA RICA: Guanacaste Prov.: Area de Conservacion Guanacaste, Sector Pitilla,
Estacion Pitilla, 675m, collected on 13-VII-2007 as penultimate instar, photographed on 13-VII-2007
foodplant Sphyrospermun buxifolium
voucher code 07-SRNP-32749, image code 07-SRNP-32749-DHJ427030.jpg
image from http://janzen.sas.upenn.edu/