Alloperla petasata Surdick

replaces Alloperla caudata Frison in its northern and eastern range in North America including Pennsylvania (Surdick 2004). Alloperla petasata ranges from the Canadian Maritimes south to Georgia; its sister species, A. caudata, is now restricted to Illinois, the Ozark- Ouachita Highlands, and the Lower Tennessee River in Alabama (Surdick 2004) and Mississippi (Willett and Stark 2009).

New records: BEDFORD: (P) Blackberry Lick Run, PA Rte. 26, 9 June 2001, 1♂, 4♀; Blues Gap Run, 400 m east of Rte. T-323, 9 June 2001, 2♂, 3♀; INDIANA: (O) Little Yellow Creek, PA Rte. 259, 21 June 2000, 8♂, 3♀ (TWS), as Alloperla sp. in Yasik et al. (2002); PIKE: (D) Carley Brook, 1.5 km upstream of village of Carley Brook, 8 July 2003, 1♂ (TD). These sites are small forested creeks except for Little Yellow Creek, which is a 3rd order creek whose watershed has surface coal mines with alkaline mine drainage.