Diagnosis (male and female).

Jameson

Mary Liz

Drumont

Alain

Aroid scarabs in the genus Peltonotus Burmeister (Coleoptera, Scarabaeidae, Dynastinae): key to species and new distributional data

Zookeys317201320133206395

10.3897/zookeys.320.5352

Peltonotus

silvanus

http://species-id.net/wiki/Peltonotus_silvanus

Jameson & Wada, 2004

Figs 68, 77

Diagnosis (male and female).

Length 16.3–17.8 mm, color overall castaneous, elytra castaneous, dark-brown, or black with weak iridescent bloom, head with some multisetigerous punctures, labrum bi-emarginate, mentum rounded in apical half, labial palpomere 2 enlarged and obviously dorsoventrally flattened, mala with lamellate setal brush, maxillary stipes lacking setae curled at apices, male protarsomeres 2–4 with apices expanded, male protibia bidentate, form of parameres (Fig. 68), female epipleuron incised and with oblong-oval emargination (Fig. 77).

Distribution.

Indonesia, Borneo Island (Kalimantan); Malaysia, Borneo Island (Sarawak).

Figures 67–72.

Male parameres (with or without phallobase), dorsal and lateral views, in Peltonotus. Male parameres are highly asymmetrical, and we illustrate the lateral view that best assists in identification. 67 Peltonotus rubripennis 68 Peltonotus silvanus 69 Peltonotus similis 70 Peltonotus sisyrus 71 Peltonotus talangensis 72 Peltonotus vittatus.

Figures 73–87.

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