Alloperla atlantica Baumann, 1974

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), Illiesia 5 (11), pp. 108-127 : 117-121

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 ).

Figures

Figs. 49-54. Alloperla atlantica epiproct structures, Fishers Creek, Clarke Co., AL. 49. Male terminalia, dorsal aspect. 50. Epiproct and cowl, dorsal aspect. 51. Apical half of epiproct, dorsal aspect. 52. Epiproct and cowl, lateral aspect. 53. Epiproct apex, frontal aspect. 54. Detail of basal epiproct surface.