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

Information, insects and people from the 2019 BugGuide 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.

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


Family Monotomidae - Root-eating Beetles

Colydii*dae ? (no, Monotmidae) - Rhizophagus dimidiatus Bactridium Rhizophagus brunneus brunneus - Rhizophagus brunneus root eater 2 - Bactridium obscurum Monotomid - Rhizophagus Phyconomus marinus? - Phyconomus marinus Rhizophagus? - Rhizophagus sculpturatus Another Rhizophagus? - Rhizophagus remotus
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)
Family Monotomidae (Root-eating Beetles)
Synonyms and other taxonomic changes
Explanation of Names
Monotomidae Laporte 1840
two subfamilies, with 55 spp. in 11 genera north of Mexico(1) and ~250 spp. in 35 genera worldwide(2)(3)
9 spp. in 2 genera in Maritime Canada(4)
Overview of our fauna
Family Monotomidae
Subfamily RHIZOPHAGINAE Rhizophagus

Tribe Monotomini Monotoma
Tribe Thionini Thione
1.5-6.0 mm(2)
worldwide and throughout NA(1)
predaceous or mycophagous(2)
See Also
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.Tree of Life - Monotomidae
3.McElrath T., Boyd O., McHugh J.V. (2014-) MonotomID
4.Monotomidae (Coleoptera) of the Maritime Provinces of Canada
Majka C.G., Bousquet Y. 2010. J. Acad. Entomol. Soc. 6: 1-8.