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General Description

A medium-sized moth (FW length 14-19 mm) with grey-brown to red-brown forewings and smoky brown hindwings. The normal lines are obsolete, but there may be a dark diffuse median line in some specimens. The oval orbicular spot is almost as large as the reniform. The spots often have an incomplete buff line inside the outline. The area between the orbicular and the reniform is darker black or red-brown, and is the most prominent mark on the forewings. The male genitalia are characterized by the broad, almost bowl-shaped sacculus, saccular extensions almost conical and stouter than harpes and about 1/2 the length of the harpes. In similarly marked species the sacculus is narrower and crescentic and the saccular extensions are as thin as or thinner than the harpes.

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© University of Alberta Museums

Source: University of Alberta Museums

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