(Halysidota davisii)
Halysidota davisii, or Davis' tussock moth, is a species of moth in the family Erebidae. It was described by Henry Edwards in 1874. It is found in Utah, Arizona, New Mexico and north-western Texas. The wingspan is 45–60 mm. The forewings are whitish to light brown with scattered dark markings along the costa. The hindwings have a similar color, but without any markings. Adults are on wing from July to August. The larvae have been recorded feeding on Quercus emoryi and Celtis species.