Synonyms and other taxonomic changes
Emydia ampla Grote, 1878
originally included in Arctiidae, and subsequently placed in several other families; most recently placed in a separate family (Doidae) by Donahue and Brown (1987).
Phylogenetic sequence # 930001
Lafontaine & Schmidt (2010) listed Doa ampla
as the only member of the genus in America north of Mexico.(2)
The wingspan averages 37 mm.
Adult: forewing silvery white with several black dots in upper half and thin black border along costa; terminal line composed of black dashes; fringe white; hindwing light brownish-gray with black terminal line and white fringe; legs and antennae black.
Colorado to western Texas and Arizona; Mexico.
The larvae feed on leaves of Texas Toothleaf
) in Texas, and probably other species of Stillingia
Braswell, W. E, and J. R. Ott. 2000. The Biology of Doa ampla (Lepidoptera: Doidae) on its host plant Stillingia texana (Euphorbiaceae). Proc. Entomol. Soc. Wash 102: 507-518
Donahue, J.P. & J.W. Brown, 1987. The family Doidae, in Stehr, F. (ed.), Immature Insects, vol. I :534-536. Kendall/Hunt Publ. Co., Dubuque, Iowa.
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America
. University of California Press, p. 247, pl. 33.39.(3)
live larva image
on hostplant (Linda Williams, Texas)
Canadian Entomologist v.10 p. 232
Grote's original description of the species.