Comprehensive Description

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General Description

A medium-size (4.0-4.4 cm wingspan) chalky white moth lightly dusted with gray scales. The normal lines are reduced to a few black spots where they would meet the costa and a series of small dots marking the terminal line. Other markings include a short basal streak, a few dark scales at the orbicular, a small crescent for the reniform. Several small spots or streaks on the upper half, and a larger black blotch and streak in the anal angle indicate the subterminal line. The hindwings are white with a small discal mark and a series of black spots along the margin at the veins. Sexes similar but females with a few more dark scales, especially along the veins of the hindwings. Very similar to and easily confused with A. lepusculina, which is pale grey instead of white, and has more complete wing markings. Vulpina is the whitest of our Dagger moths. Until very recently Vulpina was treated as a subspecies of the Old World species leporina, but has since been shown to be a separate species, with both species occurring together in eastern Russia. The Alberta population is usually referred to subspecies cretatoides Benjamin.


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© University of Alberta Museums

Source: University of Alberta Museums

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