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Genus Dyschirius

Scaritin - Dyschirius globulosus Scaritin - Dyschirius varidens Scaritin - Dyschirius dejeanii Dyschirius sp.? - Dyschirius haemorrhoidalis Carabid - Dyschirius dejeanii Dyschirius integer - Dyschirius dejeanii Beetle with constricted waist - Dyschirius 9016299 Dyschirini - Dyschirius
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 Scaritinae
Tribe Dyschiriini
Genus Dyschirius
Synonyms and other taxonomic changes
most carabid authorities assign the nearctic spp. to Dyschirius Bonelli 1810, thus reversing the move to Dyschiriodes Jeannel adopted in Arnett & Thomas (2000) (1)
species-groups rather than subgenera are used in the latest catalog(2)
Explanation of Names
Dyschirius Bonelli 1810
Numbers
~60 spp. in our area, ~250 worldwide(2)
Size
2.5-5.2 mm
Identification
small, cylindrical; pronotum shiny and globular, with marginal bead not extending posterior to hind angles(3)
photos of 9 spp. from ME
Key to species in(4)
Range
worldwide, most diverse in the Palaearctic (absent in Australasia)(2)
Habitat
Found in mud, where live in burrows; come to lights
Print References
(3)
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.
2.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
3.Ground Beetles and Wrinkled Bark Beetles of South Carolina
Janet Ciegler. 2000. Clemson University.
4.Dyschirius of America north of Mexico: descriptions of new species with keys to species groups and species...
Y. Bousquet. 1988. Canadian Entomologist, 120: 361-387.