Capnia teresa Claassen 1924

(Figs. 3, 5, 6, 9, 38-43)

Distribution. California.

Material examined. California: San Bernadino Co., Forsee Creek, N 30 ° 09.431 ’ W 116 ° 55.885 ’, Elev. 1812m, 27-II-2008, E F. Drake, 16♂, 17♀, 1 pharate ♂ in exuvium, 3 reared ♂ with exuviae, 5 reared ♀ with exuviae, 6 pharate ♀ in exuviae (1 partially emerged), 2♂ larvae, 10♀ larvae .

Characters. Body length ♂ 6.0- 6.2mm, ♀ 6.8-6.9mm. Light to medium brown dorsally, ventrum lighter, little pattern except underlying muscles or developing adult pigment. Antennal segments 44-50, head capsule width ♂ 0.75mm, ♀ 0.87mm. Lacinia and mandibles as described for C. umpqua and C. ventura (Figs. 44-48, 50-53). Pronotum with setae scattered over surface and as a sparse marginal fringe. Mesosternal Y-arms typical of genus. Hind wingpads shallowly notched along inner margins; inside forewingpad length ♂ 0.84mm, ♀ 1.02- 1.08mm. Femora bear scattered surface bristles, and tibia with a silky outer fringe (Fig. 3). Abdominal segments with long surface hairs (Figs. 38-39). Sexual dimorphism evident. Male 10 th tergum with short, upturned posterior extension (Figs. 5, 6, 40); underlying developing epiproct visible in pharate or partially emerged individuals (Fig. 5). Female without upturned extension of 10 th tergum (Fig. 41). Cercal segments ♂ 30, ♀ 34; cercomeres with apical circlet of short and long bristles, longer dorsal and ventral bristle in lateral view, and no intercalary hairs (Figs. 9, 42, 43).