Prodoxus weethumpi is a moth of the family Prodoxidae. It is found in the United States in the south-western and north-eastern edges of the Mojave Desert in southern California and Nevada, north-western Arizona and south-western Utah.
The wingspan is 8.75-10.6 mm for males and 9.2-13.6 mm for females.[1] Adults are on wing from March to early May.