Observation notes: Sunny, clear day, about 75 Degrees F, found in pasture on Fort Carson within Turkey Creek Ranch Recreation Area. Caterpillar was on ground in short grass near a prairie dog colony. Unidentified grasses were near the caterpillar when observed. Blue grama, purslane, golden hairy aster rabbit brush observed nearby.
Verified by: mikefisher
Verified date: November 19, 2020
Coordinator notes: According to the Powell & Opler book, Moths of Western North America, the description of the larva given (p.283) for this species matches your photo. I'm not a moth person, but the stated range of this moth is considerably farther south than that stated on this text page. I'll forward the information to one of our Colorado moth experts, Chuck Harp, in case it is a range extension (and confirm the species is correct. Mike