Species Spodolepis substriataria - Hodges#6799

6799

Epirranthis substriataria - see genus page for info on classification

wingspan 40-45 mm

Adult: forewing light gray with black speckling, often with shades of brown along costa and apex; jagged AM and PM lines resemble a dog's head in profile, with the dark discal spot forming the eye; extent of dark markings, including the transverse lines, can be extremely variable, resulting in well-marked, contrasting individuals to almost unmarked gray ones

[adapted from description at U. of Alberta]

Larva: body dark with intricate pattern of black and brown, resembling tree bark or a twig

According to MPG range map, Minnesota to Maine and north into southern Canada. (1)

mixed and coniferous forests

larvae feed on douglas-fir, pine, poplar, willow

one generation per year; overwinters as a pupa in thin cocoon in leaf litter

Moth Photographers Group (MPG)