(14) Isoperla sordida,

Deschutes Co., OR, Fall River (FR), Fall River Campground , Hwy 42 (S Century Dr), 13 mi (20.9 km) E Hwy 97, 28-V-2008 (♂ ♀ reared); Mono Co., CA, Cold Water Creek (CWC), Cold Water Campground, Inyo NF, 4.7 mi (7.6 km) S Mammoth Lakes (Hwy 203), 26-VII-2010 (♂ reared) .