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Subfamily Bolboceratinae

 
 
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Scarabaeid beetles of the genus Bradycinetulus and closely related genera in the United States
By O. L. Cartwright
Proceedings of the United States National Museum, Washington Vol. 103, No. 3318: 95-120, 1953
O. L. Cartwright, Scarabaeid beetles of the genus Bradycinetulus and closely related genera in the United States, Proceedings of the United States National Museum, Washington 103(3318):95-120, 1953.

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Revision of the genus Odontaeus, Dej.
By Wallis J.B.
Can. Entomol. 60: 119‒128; 151‒156; 168‒176, 1928

The Geotrupinae of North and Central America
By Howden H.F.
Mem. Ent. Soc. Canada 39: 1-91, 1964

Biology and taxonomy of North American beetles of the subfamily Geotrupinae, with revisions of the genera....
By H.F. Howden
Proceedings of the United States National Museum, 104(3342): 151-319, plates 1-18., 1955
Full title: "Biology and taxonomy of North American beetles of the subfamily Geotrupinae, with revisions of the genera Bolbocerosoma, Eucanthus, Geotrupes, and Peltotrupes (Scarabaeidae)"

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Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I.
By William L. Hilsenhoff
The Great Lakes Entomologist, 1995
Full title: Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I. Introduction, Key to Genera of Adults, and Distribution, Habitat, Life Cycle, and Identification of Species of Helophorus Fabricius, Hydrochus Leach, and Berosus Leach (Hydrophilidae), and Hydraenidae

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Saprophagous Scarabaeidae (Coleoptera) of North Dakota
By Helgesen R.G., Post R.L.
Schafer-Post Series: North Dakota Insects Publication 7, NDSU. 60 pp., 1967

The phytophagous Scarabaeidae and Troginae (Coleoptera) of North Dakota
By Lago P.K., Post R.L., Oseto C.Y.
Schafer-Post Series: North Dakota Insects Publication 12, NDSU. 131 pp., 1979

The Scarabaeoid beetles of San Diego County, California. Part I. Introduction...
By McPeak R.H., Oberbauer T.A.
Proceedings of the San Diego Society of Natural History 40: 1-24, 2008
Full title: The Scarabaeoid beetles of San Diego County, California. Part I. Introduction and diagnosis of families Glaresidae, Trogidae, Pleocomidae, Geotrupidae, Ochodaeidae, Hybosoridae, and Glaphyridae

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