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Genus Bradycinetulus

Bradycinetulus ferrugineus - male Bradycinetulus fossatus (Haldeman) - Bradycinetulus fossatus genus?? - Bradycinetulus rex genus?? - Bradycinetulus rex Dung beetle - Bradycinetulus ferrugineus - male Bradycinetulus - Bradycinetulus ferrugineus - male Bolbozilla - Bradycinetulus fossatus - male unknown beetle - Bradycinetulus ferrugineus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Scarabaeoidea
Family Geotrupidae (Earth-Boring Scarab Beetles)
Subfamily Bolboceratinae
Genus Bradycinetulus
Synonyms and other taxonomic changes
Amechanus Horn 1870, Bradycinetus Horn 1871
Explanation of Names
Bradycinetulus Cockerell 1906
3 spp., all in our area(1)
Key to species(2)
1 Eye canthus nearly straight edged laterally, wide clypeal horn of male bisinuate apically, the external angles projecting forward, acute, and scarcely thicker than the adjacent edges, which converge posteriorly; median thoracic horns heavy, directed upward, their sharply rounded tips recurved posteriorly ....................... B. ferrugineus (Palisot de Beauvois)
Eye canthus notched or emarginated, not straight edged laterally ................. 2
2 Wide clypeal horn of male distinctly trinodose apically, the external angles not projecting beyond median point, lateral edges parallel; median thoracic horns heavy, projecting forward and outward, sharply rounded and very little recurved ............................................. B. fossatus (Haldeman)
Apex of clypeal horn of male widely truncate, straight across, the external angles slightly nodose, lateral edges parallel over apical two fifths, then diverging to base; median thoracic horns slender, directed forward and upward, basally flattened in front and behind ........... B. rex Cartwright
B. ferrugineus (Palisot de Beauvois 1809) seVA-FL-MS
B. fossatus (Haldeman 1853) WI-NE to AR-TX
B. rex Cartwright 1953 soTX (3)
Works Cited
1.The Scarabaeoid Beetles of Nebraska
Brett C. Ratcliffe & M.J. Paulsen. 2008. University of Nebraska State Museum, Vol 22, 570 pp.
2.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.
3.An annotated checklist of the Scarabaeoidea of Texas.
Edward G. Riley & Charles S. Wolfe. 2003. Southwestern Entomologist, Supplement. 37 pp.