Rhadine howdeni is a species of ground beetles in the family Carabidae. It is found in North America.Bousquet Y (2012). "Catalogue of Geadephaga (Coleoptera: Adephaga) of America, north of Mexico". ZooKeys 245: 1-1722.
References
Further reading
Arnett, R. H. Jr., and M. C. Thomas. (eds.). (21 December 2000) American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia. CRC Press LLC, Boca Raton, Florida. Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.