Synonyms and other taxonomic changes
Dasyfidonia avuncularia (Guenée, )
Fidonia avuncularia Guenée, 1857
One of two species in North America. (1)
Forewing length 13-16 mm. (1)
Adult: forewing brown with black AM, PM, and median lines, and many transverse streaks or striations; subterminal area paler than remainder of wing; small but distinct white patch at costa near apex; hindwing mostly bright reddish-orange with black discal spot and two complete bold black lines
Larva: described by Miller & Hammond. (2)
Alberta and British Columbia to Nevada and California. (3)
Wet forests in west coast mountains; adults are day-flying and are not known to come to light.
The main flight period appears to be April to July.
Larvae feed on leaves of cherry (Prunus
forewing has whitish bands in median and basal areas, and hindwing has only one (or none) complete black lines
) forewing lacks transverse streaks or striations, and has two prominent white patches along the costa
Guenée, 1857. Histoire Naturelle des Insectes; Spécies Général des Lépidoptères
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America
. University of California Press, p. 210; pl. 28, fig. 18. (1)