Synonyms and other taxonomic changes
Erinnyis lassauxii (Boisduval)
Orig. Comb: Anceryx lassauxii Boisduval
Explanation of Names
Boisduval based his description on a specimen sent to him from Buenos Aires by a naturalist named Lassaux (his first name isn't recorded), who was in South America to collect botanical specimens. Boisduval mentions in a later work that Lassaux was a promising scientist who died young.
Adult: forewing dark brown with gray streaks along inner margin, and gray patch at apex; hindwing dark brown with varying amounts of dark orange basally; abdomen with conspicuous black and white transverse bands
Larva: mature caterpillars have dark green body with 2 whitish dorsal rings behind head, and whitish dorsal strip along distal two-thirds of abdomen; apical horn thin, grayish, with bent tip.
AZ, TX, FL / W. Indies / Mexico to South America - Map
The main flight period is August to December. (1)
The larvae feed on Papaya (Carica papaya), Manihot esculenta in the spurge family [Euphorbiaceae], and various plants in the milkweed family [Asclepiadaceae]
adults feed on flower nectar.
The mature larvae pupate in cocoons spun on the ground; multiple generations year-round in the tropics.
Life cycle images:
larva; pupa; adult
) forewing lacks pale gray patch at apex
) forewing is paler and lacks pale gray patch at apex
Erinnyis oenotrus and Erinnyis crameri abdomen lacks black and white bands
live larva images
- Dan Janzen, U. of Pennsylvania