Taenionema uinta Stanger & Baumann

(Figs. 16, 32, 33, 34, 45, 56, 64, 85, 99, 112)

Distribution. Colorado, Montana, Nevada, Oregon, Utah, Wyoming.

Material examined. Nevada: Eureka Co., Humbolt River at Dunphy, 12-IV-2005, B.C. Kondratieff & R. W. Baumann, 7♂, 5♀, 2♀ larvae . Utah: Wasatch Co., Provo River, Hwy 113 at Midway, 19-III-1981, J. Stanger & S. Clarke, 2 ♂ larvae and 1 ♀ larva (field correlated with many adults collected in the Provo River listed in Stanger & Baumann 1993 and brachyptery of ♂ nymph wingpads) .

Characters. Color, pigmentation (Fig. 16), maxillae (Fig. 32), body, leg (Fig. 56), and cercal setation, and sexual dimorphism (Figs. 64, 85) generally typical of genus. Body length ♂ 9-10 mm, ♀ 9-10 mm. Antennal segments ♂ 62-54, ♀ 62-64. Male wingpads (Fig. 33) brachypterous, as in wings of adult, and ♀ wingpads (Fig. 34) macropterous. Cercal segments ♂ 44, ♀ 44. Male 9 th sternum (Fig. 99) narrowly triangulate in posterior half with pointed apex; anterior half narrowly U-shaped. Female 9 th sternum (Fig. 112) broader than ♂ in posterior half, and with rounded apex.