11. Prostoia ozarkensis Baumann & Grubbs, 2014

Ozark Forestfly

http://lsid.speciesfile.org/urn:lsid: Plecoptera .speciesfile.org:TaxonName:463936

(Figs. 77‒84)

Prostoia completa: Ernst & Stewart, 1985:638

Prostoia completa: Stewart & Stark, 1988:182

Prostoia completa: Poulton & Stewart, 1991:29

Prostoia completa: Stewart & Stark, 2002:209

Prostoia completa: Webb, 2002:253

Prostoia ozarkensis Grubbs et al. 2014:20 . Holotype male (United States National Museum), Bryant Creek, Webster Co., Missouri, USA

Distribution. USA: AR, IL, MO, OK (DeWalt et al. 2022)

Male. Macropterous. Body length 6.0– 6.5 mm, forewing length 6.4–7.8 mm (n = 7). Gills absent. Cerci simple and unmodified. Paraprocts with lightly sclerotized, undivided lobes. Epiproct ventral sclerite sclerotized throughout length, narrow in both dorsal and lateral profiles, and fully recurved over abdomen (Figs. 77‒79); base narrow gradually widening for ca. ⅔ of length (Fig. 77), tip not deflected upward and rounded apically (Figs. 79‒81); dorsal sclerite reduced and to lateral arms in basal area (Figs. 82‒83), which are short, triangular-shaped, and somewhat laterally-flared (Fig. 82).

Female. Macropterous. Body length 7.0– 7.7 mm, forewing length 7.4–9.0 mm (n = 7). Gills absent. Cerci simple and unmodified. The 7 th and 8 th sterna fused medially (Fig. 84), the 8 th sternum is modified slightly as a subgenital plate, with faint medial excavation and scarcely developed posterolateral corners (Fig. 84).

Larva. The partial illustrations in Poulton & Stewart (1991) likely refer to this species.

Comments. See comments under P. completa .