New State Stonefly (Plecoptera) Records For Pennsylvania, With Additional Records And Information On Rare Species Author Earle, Jane I. text Illiesia 2009 5 16 169 181 journal article 6786 10.5281/zenodo.4759416 07c83cbb-d592-43c1-894e-9fbcd0f48339 1854-0392 4759416 Allocapnia vivipara (Claassen) has been most commonly collected in the Lake Erie tributaries in northwestern PA, but has also occasionally been found in the lower Allegheny River and lower Delaware River basins ( Masteller 1996 ). Allocapnia vivipara is the most common Allocapnia species in Illinois , where it lives in a variety of streams, from small pristine creeks to large clay bottomed rivers and streams with livestock waste ( Webb 2002 ). The Pennsylvania records also indicate a tolerance to a variety of pollution sources including urban and agricultural runoff, alkaline coal mine drainage, and leaky septic systems. New records: ARMSTRONG: (O) Long Run, PA Rte. 506, 9 February 2002 , 2♂ (BS); Pine Run, SR 4071, 23 January 2002 , 14♂ (BS); same location, 25 February 2002 , 9♂ , 2♀ (BS) ; Roaring Run, SR 2051, 9 February 2002 , 1♀ (BS). WESTMORELAND: (O) Monastery Run, 15 m downstream of US Rte. 30, 30 January 1997 , 3♂ , 1♀ .