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Genus Cychrus - Rare Snail-eating Beetles

Large black beetle - Cychrus tuberculatus Cychrus hemphillii rickseckeri (LeConte) - Cychrus hemphillii Cychrus hemphillii rickseckeri (LeConte) - Cychrus hemphillii Cychrus tuberculatus - female Cychrus tuberculatus Cychrus tuberculatus - female Cychrus tuberculatus  ? - Cychrus tuberculatus Cychrus tuberculatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Carabinae
Tribe Cychrini
Genus Cychrus (Rare Snail-eating Beetles)
Numbers
2 spp. in our area(1) + ~2 dozen in the Palaearctic
Identification
key to spp. in(2)
Range
Holarctic, incl. w. NA (BC-CA east to MT-UT)(1)
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
2.Revision of ground beetles of American genus Cychrus and four subgenera of genus Scaphinotus (Coleoptera, Carabidae)
T. Gidaspow. 1973. Bull. AMNH 152(2): 51-102.