Aroid scarabs in the genus Peltonotus Burmeister (Coleoptera, Scarabaeidae, Dynastinae): key to species and new distributional data Author Jameson, Mary Liz Author Drumont, Alain text ZooKeys 2013 320 63 95 http://dx.doi.org/10.3897/zookeys.320.5352 journal article http://dx.doi.org/10.3897/zookeys.320.5352 1313-2970-320-63 Peltonotus nasutus Arrow, 1910 Figs 14-15, 23, 30, 52, 66, 82, 92 Diagnosis (male and female). Length 19.6-20.6 mm, color overall black or castaneous, elytra black or castaneous and shining (Fig. 14-15), head with unisetigerous punctures and apex of clypeus with weak tubercle medially (Fig. 23), labrum weakly sinuate ( Fig. 23), mentum quadrate in apical half (Fig. 30), labial palpomere 2 not enlarged and not dorsoventrally flattened, mala lacking lamellate setal brush, maxillary stipes without setae curled at apices, male protibia tridentate with well developed basal tooth, male protibial claw greatly enlarged (Fig. 52), form of male parameres (Fig. 66), female epipleuron weakly, quadrately incised (Fig. 82) and with well developed dorsal pillow. Distribution (Fig. 92). Cambodia, China (southern), Laos, Myanmar, Thailand, Vietnam. Remarks . Peltonotus nasutus is the most common species in the genus and the only species with an apicomedial tubercle on the clypeus (male only).