Neoperla robisoni Poulton & Stewart .
This species is distributed from the Ozarks (Poulton & Stewart 1991) east to Maryland and Pennsylvania and north to the unglaciated southwestern portion of Wisconsin (Stark 2004). Illinois specimens were reported by DeWalt et al. (2002) from the Wabash River and the Vermilion River basin. Grubbs (2004) lists this species as extralimital in Indiana.
We present new records for two locations in Indiana. IN, Harrison Co., Blue River, 1 mi E White Cloud [38.23464, - 86.22716], 8/29/1971, W.P. McCafferty, ♀ (PERC) ; White Co., Tippecanoe River at Hwy. 18, [40.49411, - 86.77087], 7/25/1978, K. Black, ♀ (PERC) .