Nemocapnia carolina Banks .

This species exhibits a coastal distribution in eastern North America, recorded mainly from Arkansas and Mississippi east to Florida and then north to Virginia and Quebec (Frison 1935; DeWalt et al. 2010).

The INHS collection has five historical records, one from Illinois on the Wabash River at Grayville (opposite Indiana) and four Indiana records from the East Fork White River at Rogers and Shoals. Numerous attempts by Webb (2002), Grubbs (2004), and recently by the authors have not resulted in new specimens. DeWalt et al. (2005) list this species as extirpated from Illinois, which is a similarly-likely scenario for Indiana.