23. Labiobaetis vultuosus (Lugo-Ortiz & McCafferty, 1999) Figures 43, 64b

Diagnosis.

Larva. Following combination of characters: A) labrum dorsal submarginal arc of setae composed of one plus 8-9 long, simple setae; B) maxillary palp longer than galea-lacinia, with well-developed excavation at inner distolateral margin; C) labial palp segment II with hook-like distomedial protuberance, as Fig. 43b, segment III conical; D) fore claw with a row of 8-10 denticles.

Examined material.

Paratype. 1 nymph (on slide, PERC 0 012 577), Papua New Guinea, Western Highlands Prov., 17 km N of Mt. Hagen, 06 Sept 1983, J.T. and D.A. Polhemus leg.