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

Megathymus ursus ursus larval tent on Yucca schottii, AZ Hwy. 289, 8 mi. East of Pena Blanca Lake, Santa Cruz Co. AZ. USA 16-IV-07