Euchaetes bolteri is a species of moth in the family Erebidae. It was described by Richard Harper Stretch in 1885. It is found from the south-western US (Texas and New Mexico)Moth Photographers Group at Mississippi State University to Mexico and Costa Rica.
Adults have been recorded on wing from late March to May.Bug Guide
References
Arctiidae genus list at Butterflies and Moths of the World of the Natural History Museum