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, insects and people from the 2018 BugGuide 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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Sphaeroderus - Small Snail Eating Beetles

Ground Beetle Eating a Snail - Sphaeroderus schaumii slug eater - Sphaeroderus stenostomus Sphaeroderus canadensis canadensis Chaudoir - Sphaeroderus canadensis - male Ground Beetle - Sphaeroderus canadensis Sphaeroderus stenostomus? - Sphaeroderus stenostomus Sphaeroderus stenostomus stenostomus - Sphaeroderus stenostomus - male - female Ground Beetle? - Sphaeroderus stenostomus Sphaeroderus stenostomus lecontei - Sphaeroderus stenostomus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Carabinae
Tribe Cychrini
Genus Sphaeroderus (Small Snail Eating Beetles)
Explanation of Names
Sphaeroderus Dejean 1826
Numbers
6 spp. (with several sspp.), all in our area(1)
Range
ne. NA to n. GA & e. SK(1) Also known from Florida and Arkansas.
Remarks
All species are flightless, with wings highly reduced and elytra fused.
Like all Cychrines, Sphaeroderus are specialized predators of land mollusks
They are also known to feed on caterpillars(2)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.A natural history of the ground-beetles (Coleoptera: Carabidae) of America north of Mexico.
Larochelle and Larivière. 2003. Pensoft Publishers, Bulgaria. 584 pp.