Bands and spots of the wings pale yellow or greenish yellow, similarly arranged as in Protographium dioxippus; submarginal row of the forewing curved; hindwing with 2, rarely 3 red spots, and with 2 very large greenish yellow marginal spots from the 2. radial to the 1. median; underside of the hindwing with pale marginal band.[2]
Subspecies
E. c. calliste SE.Mexico (Puebla, Veracruz, Tabasco, Campeche, Yucatán, Quintana Roo, Oaxaca, Chiapas), Belize, Guatemala, El Salvador, Honduras.The two outer cell-bands of the forewing clearly developed and the last but two more or less indicated, the discal area eraarginate at the cell before the 2. median.
E. c. olbius (Rothschild & Jordan, 1906) Costa Rica - Panama (Chiriqui) Larger than the preceding (nominate) form; also the outer cell-bands of the forewing suffused with black in the middle; discal band broader, the black marginal area on both wings consequently narrower than in calliste; submarginal line of the forewing only vestigial from the 1. median backwards.
Edwin Möhn, 2002 Schmetterlinge der Erde, Butterflies of the world Part XIIII (14), Papilionidae VIII: Baronia, Euryades, Protographium, Neographium, Eurytides. Edited by Erich Bauer and Thomas Frankenbach Keltern: Goecke & Evers; Canterbury: Hillside Books. ISBN978-3-931374-87-7 All species and subspecies are included, also most of the forms. Several females are shown the first time in colour.
