Dasychira grisefacta
Dasychira grisefacta (pine tussock or grizzled tussock) is a species of moth of the family Erebidae. It is found in Alberta, from British Columbia to Arizona and Oregon, in New Mexico, Montana, South Dakota and North Dakota.

The wingspan is about 42 mm for males, the females are wingless.

The larvae feed on Pseudotsuga menziesii, Tsuga heterophylla, Picea engelmannii, Picea glauca, Pinus ponderosa  and Pinus edulis.

Subspecies
There are two recognised subspecies:
Dasychira grisefacta grisefacta (Dyar, 1911)
Dasychira grisefacta ella (Bryk, 1934)

External links
 Macromoths of Northwest Forests and Woodlands
 Moths of North Dakota