Parides sesostris has a wingspan reaching 100–110 millimetres (3.9–4.3 in). The head, the thorax and the abdomen are black. The basic color of the upperside of the forewings is black, with large green areas on the basal portion of the forewings. The underside of the forewings is dark brown. The underside of the hindwings is dark brown, with a chain of red spots on the outer edge. The hindwings are scalloped but they have no tails. The larvae feed on Aristolochia barbata, A. bicolor, A. grandiflora, A. sprucei, and A. trianae. It is not threatened.
^ abWarren, A. D.; et al. (2010). "Parides sesostris". Butterflies of America. Retrieved 19 January 2011.
^ abcCollins, N. Mark; Collins, Michael G. (1985). Threatened Swallowtails of the World: The IUCN Red Data Book. IUCN Protected Area Programme Series. Gland, Switzerland and Cambridge, U.K.: IUCN. p. 69. ISBN978-2-88032-603-6.