The incredible diversity of Labiobaetis Novikova & Kluge in New Guinea revealed by integrative taxonomy (Ephemeroptera, Baetidae) Author Kaltenbach, Thomas Author Gattolliat, Jean-Luc text ZooKeys 2018 804 1 136 http://dx.doi.org/10.3897/zookeys.804.28988 journal article http://dx.doi.org/10.3897/zookeys.804.28988 1313-2970-804-1 5D24427CBC394FCAB2D72499C444A09F 5D24427CBC394FCAB2D72499C444A09F 8. Labiobaetis petersorum (Lugo-Ortiz & McCafferty, 1999) Figures 16, 64b Diagnosis . Larva. Following combination of characters: A) labrum dorsal arc of setae composed of one plus 6-7 long, simple setae; B) both mandibles with outermost denti cle blade-like; C) labial palp as Fig. 16c, segment II with short thumb-like distomedial protuberance; D) fore femur broad, length 2.6 x maximum width, dorsal margin with a row of>40 curved, spine-like setae; E) spines at posterior margin of tergum IV triangular, pointed, longer than wide; F) paraproct distally not expanded. Figure 16. Labiobaetis petersorum , larva morphology: a Right mandible b Left mandible c Labial palp d Tergum IV. Examined material. Paratypes. 4 nymphs (on slides, PERC 0 012 564, PERC 0 012 565, PERC 0 012 566, PERC 0 012 567), Papua New Guinea, Bulolo R, 2950 ft, E of Wau, 15 Oct 1964, W.L. and J.G. Peters.