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General Description

A medium size (3.2 - 4.4 cm wingspan) narrow-winged mottled grey moth with poorly defined markings. There are dark grey or dull black markings in the anal angle, at the reniform and along the costa. There may also be a thin, indistinct black basal streak. The area between the reniform and orbicular spots is lighter than the rest of the wing, as is the very jagged, doubled poorly defined postmedian line. The terminal line is a series or dark dots between the veins; the fringe is checkered grey and white. The hingwing in males is shining white, with a series of dark dots marking the terminal line. The Long-winged Dagger Moth is very similar to the Smeared Dagger Moth, but is slightly darker grey and blotchier in pattern, and has thin black streaks on the wing base and in the anal angle. The antennae are simple. The sexes are similar, but females have darker hindwings.

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© University of Alberta Museums

Source: University of Alberta Museums

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