(6) Isoperla laucki,

Humboldt Co., CA, Dragsaw Spring (DSS), FR 13N01 xing (Six Rivers NF), 6.1 mi (9.8 km) E Hwy 96 nr Aikens Creek Campground and 11.1 mi (17.9 km) NE Weitchpec, 12-VII-2009 (♂ ♀ reared) .