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Tribe Cychrini

Carabid - Scaphinotus cordatus Schaphinotus marginatus - Scaphinotus marginatus Scaphinotus angusticollis Ground Beetle - Scaphinotus punctatus Sphaeroderus stenostomus Snail-hunting Ground Beetle? - Scaphinotus marginatus Which Silphidae larvae? - Scaphinotus Scaphinotus interruptus? - Scaphinotus interruptus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Carabinae
Tribe Cychrini
Explanation of Names
Cychrini Perty 1830
Numbers
>60 spp. (with many sspp.) in 3 genera in our area, ~300 spp. in 6 genera total(1)(2)
Range
Holarctic + adjacent montane Oriental(3)
Habitat
cool damp woods and ravines(3)
Food
mostly snails, some commonly feed on slugs; may also feed on caterpillars, worms and other soft-bodied prey(4); head adapted for going into snail's shell.
Remarks
Wings reduced; elytra fused. Most species stridulate when disturbed.(4)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.Catalogue of Life
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 natural history of the ground-beetles (Coleoptera: Carabidae) of America north of Mexico.
Larochelle and Larivière. 2003. Pensoft Publishers, Bulgaria. 584 pp.