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Genus Catops

Small Carrion Beetle - Catops paramericanus - female Small Carrion Beetle - Catops basilaris Tiny Beetle - Catops Catops americanus - Catops paramericanus Catops simplex - male Small Carrion Beetle - Catops Leiodidae? - Catops Leiodidae? - Catops
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)
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea (Rove, Carrion and Fungus Beetles)
Family Leiodidae (Round Fungus Beetles)
Subfamily Cholevinae (Small Carrion Beetles)
Tribe Cholevini
Genus Catops
Explanation of Names
Catops Paykull 1798
Numbers
15 species in America north of Mexico, 124 worldwide; in our area:(1)
americanus group
Catops americanus Hatch - southeastern North America
Catops paramericanus Peck & Cook - Widespread
hilleri group
Catops luteipes Thomson - northern transcontinental, Holarctic
Catops luridipennis Mannerheim - transcontinental, Holarctic
Catops simplex Say - transcontinental
apterus group
Catops apterus Peck & Cook - New Mexico
morio group
Catops alsiosus (Horn) - northern transcontinental
longulus group
Catops geomysi Peck & Skelley - southeastern USA
Catops gratiosus (Blanchard) - southern Canada to southeastern USA
alpinus group
Catops alpinus Gyllenhal - northwestern North America, transcontinental
Catops basilaris Say - transcontinental
Catops davidsoni Salgado- southeastern North America
Catops egenus (Horn) - western North America
Catops mathersi Hatch - western North America
Catops neomeridionalis Peck & Cook(2) - southeastern USA
Identification
Distinguished from the similar Sciodrepoides by having the base of the pronotum narrower than the base of the elytra, creating an angle separating the two. In the former, the two are similar in width. This character can be difficult to judge from photos.
Range
holarctic (+Borneo), widespread in NA (Canada to Mexico)(1)
Habitat
Forest litter and related habitats(3)
Life Cycle
Carrion scavengers(3)
Works Cited
1.Systematics, distributions, and bionomics of the small carrion beetles of North America
Peck, S.B. and J. Cook. 2002. The Canadian Entomologist 134: 723-787.
2.A new name for Catops meridionalis Peck and Cook (Coleoptera: Leiodidae, Cholevinae, Cholevini)
Peck, S.B. and J. Cook. 2004. The Coleopterists Bulletin 58: 76.
3.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.