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Subfamily Bolboceratinae

Beetle - Odonteus obesus Earth-borer - Bolbocerosoma pusillum Bolbocerosoma sp. - Bolbocerosoma bruneri Beetle - Eucanthus Earth-Boring Machine - Bolbocerastes imperialis - female Odonteus - male Beetle with orange hands - Eucanthus Bolbocerosoma confusum Brown, I believe? - Bolbocerosoma confusum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Geotrupidae (Earth-Boring Scarab Beetles)
Subfamily Bolboceratinae
Explanation of Names
From Bolboceras (a junior synonym of Odonteus), 'bulbous horn'
Numbers
ca. 40 spp. in 7 genera in our area, >300 spp. in 13 genera total(1)
Identification
antennae with 11 segments, last 3 forming a club; eyes partially or completely divided by a canthus
see(2)(3)
Range
worldwide, incl. most of our area(1)
Food
adults feed on fungi; larvae of some genera (Eucanthus, Bolboceras, Bolbocerosoma), on fine humus formed into a brood ball(1)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Biology and taxonomy of North American beetles of the subfamily Geotrupinae, with revisions of the genera....
H.F. Howden. 1955. Proceedings of the United States National Museum, 104(3342): 151-319, plates 1-18.
3.Scarabaeid beetles of the genus Bradycinetulus and closely related genera in the United States
O. L. Cartwright. 1953. Proceedings of the United States National Museum, Washington Vol. 103, No. 3318: 95-120.