Mojavia is a genus of moths of the Crambidae family. It contains only one species, Mojavia achemonalis, which is found in North America, where it has been recorded from Arizona, California, Nevada, New Mexico and Texas. The length of the forewings is 5-6 mm. The basal third of the forewings is deep pink, extending along the costa to near the apex. The remainder of the wing is olivaceous ochreous, bordered with pink along the outer margin. The hindwings are deep smoky. Adults are on wing in April and from June to September.