Megathymus ursus ursus Poling, 1902;  Comments: S AZ (Pinal, Pima, Sta. Cruz, Cochise), SW NM (Hidalgo), SON TL: USA (Az).

Megathymus ursus ursus ♂ USA: NEW MEXICO: Hildago Co., Animas Mtns., Indian Creek, 6400' ex larva r.f. Yucca schottii 08-IV-72, emgd 15-VI-72 Allyn Museum Acc. 1973-8