About Tithorea tarricina Hewitson, 1857
Tithorea tarricina Hewitson, 1857 has a wingspan that reaches approximately 75–80 millimetres (3.0–3.1 in), with a forewing length of around 40 millimetres (1.6 in). The wing pattern of this species is quite variable. Most commonly, the dorsal side of the forewings are black with white spots, while the dorsal side of the hindwings are orange with black margins. The underside of the wings has a similar pattern to the dorsal side, with many small white spots along the black margins. The antennae are black, and the chrysalids are completely golden. This rare species occurs in Mexico, as well as Central America and South America. It can be found at the edges of forested areas in both lowlands and mountain slopes, at elevations up to 1,500 metres (4,900 ft) above sea level. Its host plants belong to the genus Prestonia, mainly P. longifolia and P. portabellensis, in the family Apocynaceae.
