JamesonMary LizDrumontAlainAroid scarabs in the genus Peltonotus Burmeister (Coleoptera, Scarabaeidae, Dynastinae): key to species and new distributional dataZookeys31720132013320639510.3897/zookeys.320.5352 Peltonotus mushiyaus http://species-id.net/wiki/Peltonotus_mushiyaus Jameson & Wada, 2009Figs 13, 42, 81Diagnosis (female only).

Length ~11.8 mm, overall color castaneous, elytral disc orangish-tan with castaneous maculae and iridescent bloom (Fig. 13), head with some unisetigerous punctures, labrum bi-emarginate, mentum rounded in apical half, labial palpomere 2 not enlarged or obviously dorsoventrally flattened, mala lacking lamellate setal brush (Fig. 42), maxillary stipes without setae curled at apices (Fig. 42), female epipleuron simple, not expanded (Fig. 81).

Distribution.

Malaysia, Borneo Island (Sabah).

Remarks.

Peltonotus mushiyaus is the smallest species in the genus. We hypothesize that males of this species will possess orangish-tan elytra with castaneous maculae, similar to males of Peltonotus vittatus.

Peltonotus species dorsal habitus. 13 Peltonotus mushiyaus, female 14–15 Peltonotus nasutus, male and female (respectively) 16 Peltonotus talangensis, male 17 Peltonotus tigerus, female 18–19 Peltonotus vittatus, male and female (respectively).

Maxilla, ventral view, showing mala with or without lamellate setal brush (setae thick and strongly flattened), and showing stipes with or without setae curly at apices. 36 Peltonotus animus 37 Peltonotus cybele 38 Peltonotus deltamentum 39 Peltonotus favonius 40 Peltonotus karubei 41 Peltonotus malayensis 42 Peltonotus mushiyaus 43 Peltonotus talangensis 44 Peltonotus tigerus. Arrows indicate lamellate setal brush.

Female elytral epipleuron (gray, ventral view) and position relative to metacoxa in Peltonotus. 73 Peltonotus brunnipennis 74 Peltonotus cybele 75 Peltonotus favonius 76 Peltonotus fujiokai 77 Peltonotus gracilipodus, Peltonotus podocrassus and Peltonotus silvanus 78 Peltonotus kyojinus 79 Peltonotus malayensis 80 Peltonotus morio 81 Peltonotus mushiyaus 82 Peltonotus nasutus 83 Peltonotus nethis 84 Peltonotus pruinosus 85 Peltonotus rubripennis 86 Peltonotus similis 87 Peltonotus sisyrus