Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Genus Catops

small beetle near water - Catops basilaris Small Carion Beetle - Catops Flower beetle? - Catops Catops paramericanus Peck & Cook - Catops paramericanus small beetle - Round Fungus Beetle? - Catops Anaspis species? - Catops Cholevinae - Catops Cholevinae - Catops
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
15 species in America north of Mexico, 124 worldwide; in our area:(1)
americanus group
Catops americanus Hatch - eastern 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
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.
holarctic (+Borneo), widespread in NA (Canada to Mexico)(1)
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.