Papilio arcas Stoll, 1781 non Drury, 1773 (preoccupied)
Parides eurimedes is a species of butterfly in the family Papilionidae. It is commonly known as the mylotes cattleheart, Arcas cattleheart, pink-checked cattleheart, and true cattleheart. It is native to the Americas.
The wingspan measures 7 to 8.5 cm (2.8 to 3.3 in). P. e. mylotes is black with both sexes having a red patch on the dorsal hindwing. The dorsal forewing of the male has a triangular green patch. The female has a white patch on the dorsal forewing.[7] A full description (as P. arcas and P.timias) is provided by Rothschild, W. and Jordan, K. (1906)[8]
The purple-brown caterpillar is spotted with black. A white lateral stripe is found on each side of the body. The chrysalis is pale yellow green.[7] Host plants include Aristolochia grandiflora, A. nummularfolia, A. odoratissima, A. pilosa, and A. tonduzii.[2]
^Rothschild, W. and Jordan, K. (1906). A revision of the American Papilios. Novitates Zoologicae 13: 411-752. (Facsimile edition ed. P.H. Arnaud, 1967) and online