Alloperla atlantica Baumann (Figs. 49-54) Alloperla atlantica Baumann, 1974:260. Holotype ♂ (United States National Museum), Fishing Creek, Frederick Co., Maryland Alloperla atlantica: Surdick, 2004:11. Redescription and distribution update Material examined. AL: Clarke Co., Fishers Creek, Whatley, 30 April 1986, S.C. Harris, P. O’Neil, 9 ♂, 2 ♀ (BPS). Randolph Co., Cutnose Creek, Hwy 48, 20 May 1984, S.C. Harris, P. Lago, 4 ♂, 3 ♀ (BPS). GA: Fannin Co., Cutcane Creek, Cutcane Road, 19 July 2008, M. Willett, 1 ♂ (BPS). NC: Macon Co., Tellico Creek, Tellico Rd, 27 May 1993, B. Stark, R. Simmons, D. Kelly, 1 ♂, 3 ♀ (BPS). TN: Sevier Co., Little River, Great Smoky Mountains National Park, Sinks area, 25 April 1976, T. Wolff, B. Beavill, 1 ♂, 1 ♀ (BPS). Epiproct. Length from base to tip, ca. 240 μm. Greatest width, ca. 58 μm. Epiproct cowl without enlarged lobes extending beyond epiproct base (Figs. 49-50, 52). Epiproct gradually narrowed from base to tip (Figs. 49-53), apex pointed and bent ventrad (Figs. 52-53). Dorsum covered with dense, appressed, setal mat but apex and venter bare (Figs. 51-54).

{"references": ["Baumann, R. W. 1974. What is Alloperla imbecilla (Say)? Designation of a neotype, and a new Alloperla from eastern North America (Plecoptera: Chloroperlidae). Proceedings of the Biological Society of Washington, 87: 257 - 264.", "Surdick, R. F. 2004. Chloroperlidae (The Sallflies). Pp. 1 - 60 in. B. P. Stark & B. J. Armitage (eds.). Stoneflies (Plecoptera) of eastern North America. Volume II. Chloroperlidae, Perlidae, and Perlodidae (Perlodinae). Bulletin of the Ohio Biological Survey, New Series, Volume 14. Ohio Biological Survey, Columbus. 192 pp."]}

Published as part of Willett, Michele R. & Stark, Bill P., 2009, The Alloperla Leonarda Group Of Eastern North America, With Sem Images Of Four Out-Group Species (Plecoptera: Chloroperlidae), pp. 108-127 in Illiesia 5 (11) on pages 117-121, DOI: 10.5281/zenodo.4759290