Oidaematophorus guttatus is a moth of the family Pterophoridae.

It is found in the United States (including California, Colorado, Utah and Arizona).

The forewings are whitish cinereous, paler at the base and dusted with fuscous scales toward the costa and the hind margin.

There is a white spot, generally bordered on the inner edge by two fuscous scales, located at the base of the fissure.

The fringes of the outer margin and fissure are cinereous fuscous, slightly interrupted with whitish.