Alloperla prognoides Surdick & Stark

(Figs. 37-42)

Alloperla furcula: Stark & Harris, 1986:177 . Not Surdick, 1981.

Alloperla prognoides Surdick & Stark in Surdick, 2004:20.

Holotype ♂ (United States National Museum), Little River, Hwy 59, Baldwin Co., Alabama

Material examined. AL: Autauga Co., Autauga Creek, Hwy 20, 31 May 1985, S.C. Harris, paratype ♂ (BPS). Baldwin Co., Little River, Hwy 59, 27 April 1985, S.C. Harris, paratype ♂ (BPS) .

Epiproct. Length from base to fork, ca. 120 μm. Greatest pre-apical width, ca. 46 μm; apical width, ca. 65 μm. Cowl reaching almost to tips of epiproct (Figs. 37-38, 40). Epiproct bare except for small basal patch (Fig. 42), and ventrolaterally directed rows of long lateral setae near apex (Figs. 38-39, 40). Width greatest near base, and gradually narrowed to base of fork; arms of fork long and thin and directed downward (Figs. 39, 40-41).