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Genus Dyschirius

Scaritin - Dyschirius globulosus Scaritin - Dyschirius varidens Clivinini - Dyschirius erythrocerus Dyschirius Beetle - Dyschirius haemorrhoidalis Dyschirius globulosus Unknown - Dyschirius Dyschirius affinis? - 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
our spp. 2.5-7.5 mm(3)
Identification
Key to species in Bousquet (1988)(3)
photos of 9 spp. from ME
Range
worldwide, most diverse in the Palaearctic, absent in Australasia(2)
Habitat
live in burrows in mud; come to lights
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.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.