Rhadine ozarkensis is described as a new species of ground beetle from Fincher's Cave, Washington County, Arkansas. Two males and three females were collected in the twilight and total darkness zones between November 4, 1939 and January 20, 1940, form three liver baited traps set in the cave floor. This species is related to R. caudata (Lec.)
Sanderson, Milton W. and Miller, Albert
"New Species of Ground Beetle of the Genus Rhadine
from an Arkansas Cave (Coleoptera: Carabidae),"
Journal of the Arkansas Academy of Science: Vol. 1
, Article 15.
Available at: http://scholarworks.uark.edu/jaas/vol1/iss1/15