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Genus Geotrupes
An illustrated key to the genus Geotrupes Latreille (Coleoptera: Geotrupidae) of Maryland including notes on G. ulkei... By Guarnieri F.G., Harpootlian P.J. The Maryland Entomologist 6(1): 6–13, 2013
Full title: An illustrated key to the genus Geotrupes Latreille (Coleoptera: Geotrupidae) of Maryland including notes on G. ulkei Blanchard, a rare southern species recently discovered in Morgan County, West Virginia
very helpful paper; i have a copy, courtesy Phil Harpootlian (both authors are long-time BG contributors)
Contributed by v belov on 23 September, 2013 - 11:34am |
The Geotrupinae of North and Central America By Howden H.F. Mem. Ent. Soc. Canada 39: 1-91, 1964
Contributed by v belov on 29 June, 2017 - 6:15pm |
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)"
Online here.
Contributed by Brad Barnd on 23 February, 2012 - 12:47am |
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
Contributed by v belov on 10 December, 2014 - 5:27pm |
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
Contributed by v belov on 10 December, 2014 - 5:17pm |
The Scarabaeoid beetles of San Diego County, California. Part I. Introduction... By McPeak R.H., Oberbauer T.A. Proc. San Diego Soc. Nat.Hist. 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 📥︎
Contributed by v belov on 10 December, 2014 - 5:09pm |
Guide d’identification des Scarabées du Québec (Coleoptera : Scarabaeoidea) By Martin Hardy Entomofaune du Quebec inc, 2014
To order online: http://entomofaune.qc.ca/Volumes.html
In french BUT all keys are both in french and english. Well done!
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