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Genus Cyclotrachelus

Ground Beetle - Cyclotrachelus convivus Mating beetle sp. - Cyclotrachelus sigillatus Cyclotrachelus iuvenis Freitag - Cyclotrachelus iuvenis - female ground beetle - Cyclotrachelus sigillatus Cyclotrachelus torvus - male Cyclotrachelus laevipennis - male Cyclotrachelus ? - Cyclotrachelus sodalis 2018-07-26 White-edged ground beetle - Cyclotrachelus furtivus
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 Harpalinae
Supertribe Pterostichitae
Tribe Pterostichini (Woodland Ground Beetles)
Genus Cyclotrachelus
Explanation of Names
Cyclotrachelus Chaudoir 1838
45 spp. in the genus, all in our area(1)
7-22 mm(2)
flightless (all spp. brachypterous)
pronotum almost as wide as elytra, with a narrowed "waist" between them
pronotum typically shiny
elytra typically striated, punctate
[based on(2)(3)]

Key to most species in(4)
US east of the Rockies (most diverse in the south), with one sp. reaching so. ON and one ranging into Mexico(1)
on the ground in deciduous woods and grasslands/meadows
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.Ground Beetles and Wrinkled Bark Beetles of South Carolina
Janet Ciegler. 2000. Clemson University.
3.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.
4.A revision of the species of the genus Evarthrus LeConte (Coleoptera: Carabidae)
R Freitag. 1969. Quaestiones Entomologicae, 5: 89-212.