Labiobaetis sumigarensis (Mueller-Liebenau, 1982) Figures 28, 49b

Diagnosis.

Larva. Following combination of characters: A) dorsal surface of labrum with submarginal arc of ca. 26 clavate setae; B) labial palp segment II with a hook-like distomedial protuberance, segment III slightly pentagonal, apically slightly pointed; C) left mandible without setae at apex of mola; D) fore femur rather broad, length 3.4 × maximum width, dorsal margin with ca. 15 curved, spine-like setae; E) tarsal claw with ca. ten denticles; F) paraproct slightly expanded, with 35-39 stout marginal spines, some with split tips.

Examined material.

Holotype. Philippines • 1 larva; Mountain Prov., Sumigar Stream, Sumigar, Banaue; 03.X.1967; leg. Pescador; on slide; ZSM.

Other material.

Philippines • 1 larva; Luzon, Ifugao, Banaue, Sumigar Bridge; 16°59'37"N, 121°02'51"E; 1700 m; IX.1997; leg. Mey; on slide; GBIFCH 00592357; AdMU.