18. Labiobaetis vitilis (Lugo-Ortiz & McCafferty, 1999) Figures 34, 65b

Diagnosis.

Larva. Following combination of characters: A) labrum dorsal arc of setae composed of one plus eight long, simple setae, 5 setae standing closely together; B) right mandible with 3+3 denticles; C) left mandible with 3+3 denticles; D) maxillary palp longer than galea-lacinia, without excavation at inner distolateral margin; E) labial palp segment II with short thumb-like protuberance, segment III slightly pentagonal; F) fore femur rather broad, length ca. 3 × as long as maximum width; G) fore leg setation as Fig. 34f.

Examined material.

Paratype. 1 nymph (on slide, PERC 0 012 576), Papua New Guinea, Western Highlands Prov., Kaugel R, nr Alkena, 07 Sept 1983, J.T. and D.A. Polhemus.