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Species Ceruchus piceus

Ceruchus - Ceruchus piceus - male Stag beetle - Ceruchus piceus - female Black scarab - Ceruchus piceus - female Stag Beetle - Ceruchus piceus - female beetle - Ceruchus piceus - female Ceruchus piceus - female LUCANIDAE		Ceruchus piceus		Stag Beetle - Ceruchus piceus Platycerus? - Ceruchus piceus - female
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 Lucanidae (Stag Beetles)
Subfamily Syndesinae
Genus Ceruchus
Species piceus (Ceruchus piceus)
Synonyms and other taxonomic changes
Ceruchus piceus (Weber 1801)
Size
10-15 mm
Identification
Very shiny, blackish to dark reddish-brown. Male has large mandibles with distinctive tooth on inner edge(1)
Range
e. NA(2)(3)
Habitat
rotting logs of beech, oak, and other trees(1)
Especially large, RED-ROTTEN logs.
Remarks
Sometimes comes to lights.
The overwintering physiology of this species has been studied. See here and here.
Works Cited
1.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.
2.Generic Guide to New World Scarab Beetles (by Brett Ratcliffe and Mary Liz Jameson)
3.The Scarabaeoid Beetles of Nebraska
Brett C. Ratcliffe & M.J. Paulsen. 2008. University of Nebraska State Museum, Vol 22, 570 pp.