TAXONOMY Latin Name: Xyloryctes thestalus Bates,1888 English Name: Size: 20-40mm Distribution: southeastern USA (Arizona, Utah, Nevada, New Mexico, southwestern Colorado, and southwestern Texas) to southern Mexico Known Hosts: Fraxinus sp. Etymology: Comment: Adult beetles attracted to light, very abundant. Larvae feed on mycorrhizae.
REFERENCES Ratcliffe, B. C. and R. D. Cave. 2017. The dynastine scarab beetles of the United States and Canada (Coleoptera: Scarabaeidae: Dynastinae). Bulletin of the University of Nebraska State Museum 30: 1-298.