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

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

Family Sphaeriusidae - Minute Bog Beetles

Sphaerius sp. - Sphaerius Sphaerius sp. - Sphaerius Specimen 1, dorsal - Sphaerius Specimen 1, lateral - Sphaerius Specimen 2, ventral - Sphaerius Specimen 2, ventral close - Sphaerius Specimen 3, dorso-lateral, wings spread - Sphaerius Specimen 3, anterior (left palp missing) - Sphaerius
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Myxophaga (Minute Bog and Skiff Beetles)
Family Sphaeriusidae (Minute Bog Beetles)
Synonyms and other taxonomic changes
Microsporidae Crotch 1873, Sphaeriidae Erichson 1845
Explanation of Names
Sphaeriusidae Erichson 1845
Numbers
a single genus, with 3 nominal spp. in our area(1), ~20 spp. worldwide
Size
0.5-1.2 mm(1)
Identification
Very small beetles with clubbed antennae, large hind coxal plates, and abdominal sternites of unequal width(1)
Range
worldwide except S. America; in our area, so. US & WA(1)
Habitat
Along rivers and streams, in bog mosses, and moist leaf litter(1)
Food
Algae(1)
Print References
International Committee of Zoological Nomenclature. 2000. Opinion 1957, Sphaerius Waltl, 1838 (Insecta, Coleoptera): conserved; and Sphaeriidae Erichson, 1845 (Coleoptera): spelling emended to Sphaeriusidae, so removing the homonymy with Sphaeriidae Deshayes, 1854 (1820) (Mollusca, Bivalvia). Bulletin of Zoological Nomenclature 57(3):182-184.
J├Ąch, M. A. 1999. Case 3052. Sphaerius Waltl, 1838 and Sphaeriusidae Erichson, 1845 (Insecta, Coleoptera): proposed conservation by the partial revocation of Opinion 1331. Bulletin of Zoological Nomenclature 56(2):117-120.
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.