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

Discussion of 2018 gathering

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.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Colopterus

wide, flat nit - Colopterus semitectus Nitidulidae, dorsal - Colopterus niger Beetle - Colopterus truncatus Colopterus maculattus - Colopterus maculatus Colopterus truncatus Colopterus truncatus? - Colopterus truncatus Colopterus posticus (Erichson) - Colopterus posticus - male Another Nitidulid... - Colopterus maculatus
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 Cucujiformia)
Superfamily Cucujoidea (Sap, Bark and Fungus Beetles)
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 .