Rougemontius borneensis, Pace, 2014

Pace, R., 2014, Aleocharinae from Sabah (Borneo) collected by Guillaume de Rougemont (Coleoptera, Staphylinidae), Linzer biologische Beiträge 46 (1), pp. 727-794 : 741-742

Rougemontius borneensis nov.sp. ( Figs 24 and 117-119 )

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). Paratype: 1, same provenance as the holotype (CROU).

D e s c r i p t i o n: Length 3 mm. Fore-body a little shiny, abdomen shiny. Body yellowish-brown, head brown, abdomen yellowish-red, antennae yellowish-brown with antennomeres seven to ten pale yellow, legs dirty yellow. Antennae geniculate, scape long, second antennomere shorter than the first, third longer than the second, fourth as long as wide, fifth and sixth transverse, seventh to tenth much longer than wide. Eyes strongly developed. Reticulation of head and pronotum evident only in the bottom of the sulci, that of the elytra evident only in the bottom of the longitudinal depressions of each elytron, that of the abdomen fine. Body devoid of puncturation or granulation. Head with two swellings on each side of the ample median sulcus, and behind the eyes, a posterior transverse sulcus. Pronotum with two protuberant swellings in front to the anterior angles, a wide and deep longitudinal median depression posteriorly divided in two sulci. Posterior angles of the elytra. bulging and very protuberant, disk of each elytron with an ample, clear and deep longitudinal depression and another smaller one between this depression and the scutellum. Spermatheca sclerites absent, replaced by a semicircular structure ( Fig. 117 ).

E t y m o l o g y: The new species takes its name from Borneo.

Figures

Figs 13-24: Habitus. (13): Pelioptera plenitudinis nov.sp., scale bar 2.1 mm; (14): Pelioptera irregularis nov.sp., scale bar 3 mm; (15): Dikraspedella borneensis nov.sp., scale bar 2.5 mm; (16): Doryloxenus borneensis nov.sp., scale bar 1.5 mm; (17): Mesomegaskela rougemonti nov.sp., scale bar 5.3 mm; (18): Chaetosogonocephus nobilis nov.sp., scale bar 3 mm; (19): Chaetosogonocephus minor nov.sp., scale bar 1.9 mm; (20): Chaetosogonocephus ruficollis nov.sp., scale bar 3.6 mm; (21): Chaetosogonocephus danumensis nov.sp., scale bar 2.3 mm; (22): Chaetosogonocephus luteicollis nov.sp., scale bar 1.9 mm; (23): Malayloeblius borneensis nov.sp., scale bar 2.5 mm; (24): Rougemontius borneensis nov.sp., scale bar 3 mm.

Figs 117-125: Abdominal segment IX of female, labium with labial palpus, maxilla with maxillary palpus, aedeagus in lateral and ventral view, spermatheca and sixth free urotergum of female. (117- 119): Rougemontius borneensis nov.sp.; (120-122): Tetrabothrus femoralis nov.sp.; (123-124): Strabocephalium mirabile BERNHAUER; (125): Strabocephalium borneorum nov.sp. Scale bars: 0.1 mm. Scale bars: 0.1 mm.