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

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

Photos of 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

Previous events


Genus Colopterus

Beetle - Colopterus truncatus Nit 2 - Colopterus truncatus Coleopterus posticus (Erichson) - Colopterus posticus Colopterus maculatus (Erichson) - Colopterus maculatus small beetle - Colopterus truncatus Colopterus semitectus nitidulid - Colopterus maculatus nitidulid - Colopterus maculatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Cucujoidea
No Taxon (Nitidulid series)
Family Nitidulidae (Sap-feeding Beetles)
Subfamily Cillaeinae
Genus Colopterus
Synonyms and other taxonomic changes
Colastus Erichson 1843, Cyllopodes Murray 1864
Explanation of Names
Colopterus Erichson 1842
11 spp. in our area, many in the Neotropics(1)(2)(3)
Adult photos of 5 species at(4)
worldwide and over much of our area(1)(2)(3)(5):
C. truncatus much of NA
C. semitectus e. NA
C. maculatus & C. unicolor e. US
C. niger (=morio) se. US (DC-IL-FL-LA)
C. gerhardi IL (a single specimen known)
4 spp. (C. floridanus, C. convergens, C. infimus, and the adventive C. posticus) restricted to FL
C. testaceus sw. US
Often found at tree wounds
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.A revision of Neartic Nitidulidae (Coleoptera)
Parsons C.T. 1943. Bull. comp. Zool. 92: 121-278.
3.Checklist of the Coleoptera of Oklahoma
4.Price M.B., Cira T. (2008) Kateretidae & Nitidulidae of Wisconsin
5.A new species of Colopterus from Florida (Coleoptera: Nitidulidae)
R.H. Parry and H.F. Howden. 1975. The Coleopterists Bulletin 29(4) pp. 275-279 .