Isoperla burksi Frison .

This species occurs in unglaciated areas from the Ozark Mountains (Poulton & Stewart 1991) north to Illinois and east to New Jersey (Earle 2009), Maryland (Duffield & Nelson 1990), and the Carolinas (Kondratieff & Kirchner 1995). In Illinois, it is known only from streams in the uplifted Shawnee Hills (DeWalt et al. 2005) and in Indiana only from Monroe County (Grubbs 2004).

We present several additional locations in unglaciated Indiana. IN, Crawford Co., Little Blue River, 3 km N Sulfur along IN 37, 38.2568, -86.47826, 3/23/2006, R.E. DeWalt, S.A. Grubbs, 7N (INHS) ; Orange Co., Patoka River, 1 km NE Valeene, 38.3448, -86.3870, 3/24/2006, R.E. DeWalt, S.A. Grubbs, N (INHS) ; Owen Co., East Fork Fish Creek, 7.5 km WNW Spencer at Rt. 46, 39.3113, -86.8478, 4/18/2010, M. Pessino, ♀ (reared) (INHS) .