Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Ocypus


Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
By Bousquet Y., Bouchard P., Davies A.E., Sikes D.S.
ZooKeys 360: 1–402, 2013
Introductory part (Full text apparently no longer available online)

a long-awaited update; supersedes(1)

Observations on the cave-associated beetles (Coleoptera) of Nova Scotia, Canada
By Moseley M.
International Journal of Speleology 38: 163-172, 2009

Coleoptera, Beetles; Morphology and Systematics vol. 2
By Richard A.B. Leschen, Rolf G. Beutel and John F. Lawrence
De Gruyter, 2010
This is part of the Handbook of Zoology series. This volume covers Elateroidea, Bostrichiformia and Cucujiformia partim. A small number of taxonomic changes have taken place at the family level, particularly Mauronischidae and moving Pterotinae from Lampyridae into Elateriformia Incerte Sedis. Endecatomidae is once again recognized as a family in the volume as well.

Comparison of Coleoptera emergent from various decay classes of downed coarse woody debris in GSMNP...
By Ferro M.L., Gimmel M.L., Harms K.E., Carlton C.E.
Insecta Mundi 0260: 1–80, 2012
Full title: Comparison of Coleoptera emergent from various decay classes of downed coarse woody debris in Great Smoky Mountains National Park, USA
Full text

Beetle fauna of the United States and Canada
By Marske K.A., Ivie M.A.
The Coleopterists Bulletin 57(4): 495-503, 2003

Illustrated Beetle (Coleoptera) Inventory of the Sabal Palm Sanctuary (Cameron County, Texas)
By Edward G. Riley & Michael A. Quinn
Texas A&M University, Dept. Entomology, College Station, 2011
1,089 species on the SPS list, approximately 14.3% of the documented Texas beetle fauna

Illustrated Beetle (Coleoptera) Inventory of the Sabal Palm Sanctuary (Cameron County, Texas)
Edward G. Riley & Michael A. Quinn
Version Date: January, 2011

Sabal Palm Sanctuary, Brownsville, southmost TX

Classification of the Coleoptera of North America
By LeConte and Horn
Smithsonian Miscellaneous Collections 26(4): i-xxxvii + 1-567., 1883
Full Text

LeConte, J.L. and G.H. Horn. 1883. Classification of the Coleoptera of North America. Prepared for the Smithsonian Institution. Smithsonian Miscellaneous Collections 26(4): i-xxxvii + 1-567.

The aquatic Coleoptera of North Carolina: a biologist's handbook with standard taxonomic effort levels. Version 2.1
By Beaty S.R.
North Carolina Department of Environment and Natural Resources. 56 + 12 pp., 2011