Isoperla acula Jewett 1962

Isoperla acula Jewett
Isoperla acula Jewett, 1962, 38:18. Holotype $ ; 7 mi. N.E. of Academy, elevation 800 feet, Fresno, Co., California, USA (CAS) (male genitalia, and headpronotal pattern).
Isoperla acula, lilies, 1966:393.
Male. — Macropterous. Length of forewings 9-10 mm; length of body 9-10 mm. General body color light brown. Ocelli of head connected by narrow band of dark brown pigmentation; interocellar area and rest of head light (Fig. 153). Pronotum light brown with median yellow stripe, and lateral brown rugosities
margin of each cereal segment. Median of each abdominal tergum with patch of long stout setae, mesoposterior margin of 9th tergum with patch of stout barrel-like spinulae and long fine hairs (156). Paraprocts long, tapering to acute points apically,