Distribution: Species in the genus range from the southern United States to Argentina.

Composition: 4 species (Endrödi 1969, 1985a).

Diagnosis: Species of Euetheola are all less than 17 mm in length, black, with a simply convex pronotum, and the apex of the clypeus with two sharply reflexed teeth.  Small species of Stenocrates (e.g., S. hardyi) might be mistaken for Euetheola, but Stenocrates species do not have the bidentate clypeal apex, and the shape of the pronotum is subquadrate.  Small species of Tomarus might also be confused with Euetheola, but in Tomarus, the meso- and metatibia are not strongly and abruptly widened from the base as in Euetheola.

Larvae: the larval stage of E. humilis was described by Ritcher (1966), and its biology was briefly summarized by Davidson and Lyon (1987).

Literature cited:
Davidson, R. H. and W. F. Lyon. 1987. Insect Pests of Farm, Garden, and Orchard. John Wiley & Sons, NY. 640 pp.

Endrödi, S. 1969. Monographie der Dynastinae 4. Tribus: Pentodontini (Coleoptera, Lamellicornia). Entomologische Abhandlungen 87: 1-145.

Endrödi, S. 1985a. The Dynastinae of the World. Dr. W. Junk Publisher, Dordrecht. 800 pp., 46 plates.

Ritcher, P. O. 1966. White Grubs and Their Allies. Oregon State University Press, Corvallis, OR. 219 pp.