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

Calendar
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

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Dichotomius

Dung Beetle - Dichotomius carolinus Dung Beetle? - Dichotomius carolinus Found outside my house - Dichotomius carolinus Dichotomius colonicus (Say) - Dichotomius colonicus Dichotomius carolinus? - Dichotomius carolinus Dichotomius carolinus Beetle - Dichotomius carolinus Large Dung Beetle - Dichotomius carolinus
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)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Scarabaeinae (Dung Beetles)
Tribe Coprini
Genus Dichotomius
Synonyms and other taxonomic changes
Dichotomius Hope, 1838
= Homocopris Burmeister 1842
= Pinotus Erichson 1847
= Brachycopris Haldeman 1848
Dichotomius is sometimes placed in the tribe Dichotomini instead of in Coprini (Generic Guide to New World Scarabs--Scarabaeinae).
Explanation of Names
From Greek dicho "in two, split" plus tomi "cut" (1).
Numbers
Checklist of the Scarabaeoidea of the Nearctic Realm (2) lists two North American species in genus: carolinus and colonicus. D. carolinus occurs throughout the eastern United States and Canada, D. colonicus from the southwest, Mexico south.
Dichotomius was mistakenly omitted in nearctica.com, but they did include the old genus Pinotus with two species; Pinotus spadiceus Luederwaldt 1928 and P. texanus Felsche 1901 whose status is unclear.
Size
20-30 mm
Print References
Borror, entries for dicho, tom (1)
Dillon and Dillon, pp. 511-512, plate 49--Pinotus carolinus = Dichotomis carolinus (3)
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.Checklist and Nomenclatural Authority File of the Scarabaeoidea of the Nearctic Realm
3.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.