species 2,020 observations

Paler Graphic

Drasteria pallescens

Field notes

Drasteria pallescens, the cowhead arches, is a moth of the family Erebidae. The species was first described by Augustus Radcliffe Grote and Coleman Townsend Robinson in 1866. It is found in North America from Alberta and Saskatchewan south to Texas and Baja California.

The wingspan is about 35 mm. Adults are on wing in June in the north. Probably earlier southward.

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Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided