Keratodegnathus rougemonti, Pace, 2014

Pace, R., 2014, Aleocharinae from Sabah (Borneo) collected by Guillaume de Rougemont (Coleoptera, Staphylinidae), Linzer biologische Beiträge 46 (1), pp. 727-794 : 747

Keratodegnathus rougemonti nov.sp. ( Figs 27-28 and 128-134 )

T y p e m a t e r i a l Holotype, Sabah, Danum Valley, B.R.L., f.i.t, 14-16.II.2007, G. de Rougemont leg. (CROU). Paratypes: 2 and 1, same provenance as the holotype (CROU, MSNV).

D e s c r i p t i o n: Length 5.2-5.9 mm. Body shiny, reddish, elytra reddish-brown, abdomen yellowish-red, antennae brown with scape reddish-brown and antennomeres ten and eleven white, legs yellowish-red. Antennae inserted behind the level of the front of the eyes, mandibles of the male and female bearing horns near the base. Scape very long, second antennomere shorter than the scape, third longer than the second, fourth to tenth much longer than wide. Eyes a little longer than the postocular region in dorsal view. Body devoid of reticulation. Head and pronotum impunctate and devoid of granulation, except for two large discal punctures on the pronotum. Granulation of the elytra fine, very sparse and evident. Aedeagus: Figs 128-129 ; spermatheca: Fig. 130.

E t y m o l o g y: The new species is dedicated to its collector, our colleague, the staphylinid specialist Guillaume de Rougemont.

Figures

Figs 25-33: Habitus. (25): Tetrabothrus femoralis nov.sp., scale bar 5.9 mm; (26): Strabocephalium borneorum nov.sp., scale bar 5.9 mm; (27): Keratodegnathus rougemonti nov.sp. male, scale bar 5.9 mm; (28): Keratodegnathus rougemonti nov.sp. female, scale bar 5.5 mm; (29): Keratodegnathus mirabilis nov.sp., scale bar 3.3 mm; (30): Myrmecopella borneensis nov.sp., scale bar 3.4 mm; (31): Orphnebius acutus nov.sp., scale bar 3.6 mm; (32): Orphnebius ocularis nov.sp., scale bar 2.7 mm; (33): Orphnebius acutissimus nov.sp., scale bar 3.6 mm.

Figs 126-134: Aedeagus in lateral and ventral view, sixth free urotergum of male, spermatheca, head in lateral view, labium with labial palpus, maxilla with maxillary palpus, mentum. (126-127): Strabocephalium borneorum nov.sp.; (128-134): Keratodegnathus rougemonti nov.gen., nov.sp. Scale bars: 0.1 mm.