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Species Erinnyis lassauxii - Lassaux's Sphinx - Hodges#7833

Lassaux's Sphinx - Erinnyis lassauxii Unknown Larva - Erinnyis lassauxii Green Caterpillar - Erinnyis lassauxii Lassaux's Sphinx - Erinnyis lassauxii Texas SE Gulf Coast - Erinnyis lassauxii Sphingidae - Erinnyis lassauxii Sphingidae - Erinnyis lassauxii Erinnyis lassauxii - Lassaux's Sphinx - Hodges#7833 - Erinnyis lassauxii
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Bombycoidea (Silkworm, Sphinx, and Royal Moths)
Family Sphingidae (Sphinx Moths)
Subfamily Macroglossinae
Tribe Dilophonotini
Genus Erinnyis
Species lassauxii (Lassaux's Sphinx - Hodges#7833)
Hodges Number
Synonyms and other taxonomic changes
Erinnyis lassauxii (Boisduval)
Orig. Comb: Anceryx lassauxii Boisduval, 1859
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.
Wingspan 80-105 mm.
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 (MPG)
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.
Life Cycle
The mature larvae pupate in cocoons spun on the ground; multiple generations year-round in the tropics.
Life cycle images:
larva; pupa; adult
See Also
Alope Sphinx (Erinnyis alope) forewing lacks pale gray patch at apex
Ello Sphinx (E. ello) forewing is paler and lacks pale gray patch at apex
Erinnyis oenotrus and Erinnyis crameri abdomen lacks black and white bands
Print References
Internet References
FUNET - Markku Savela
live larva images - Dan Janzen, U. of Pennsylvania