Lachana alpherakii is a species of moth of the family Lymantriidae. It is found in the high mountains of Central Asia, including Tibet and China. The wingspan is 22–27 mm. The head, thorax, and abdomen are covered with long silky hairs, mostly intense dark brown with yellowish. It is a very variable species. The wings are mostly yellow with dark brown bands. The basal area of the forewing is yellow lightly mixed with brown scales. The internal bands are dark brown. The hindwings are yellow with a dark brown marginal band. The larvae feed on Elaeagnus angustifolia.