Gyrophaena manus, Pace, 2014

Pace, R., 2014, Aleocharinae from Sabah (Borneo) collected by Guillaume de Rougemont (Coleoptera, Staphylinidae), Linzer biologische Beiträge 46 (1), pp. 727-794 : 730

Gyrophaena manus nov.sp. ( Figs 1 and 65-68 )

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: 8 exx., same provenance as the holotype (CROU, MSNV).

D e s c r i p t i o n: Length 2-2.2 mm. Body shiny, brown, antennae yellow with the three basal antennomeres pale yellow, legs yellow. Second antennomere shorter than the first, third shorter than the second, fourth transverse, antennomeres five to ten transverse. Eyes longer than the postocular region in dorsal view. Reticulation of the fore-body very superficial, on pronotum and elytra very transverse, that of the abdomen irregular, polygonal and evanescent. Puncturation of the head irregularly distributed and absent on the longitudinal median band, that of the pronotum evident and distributed as in figure 67. Granulation of the elytra sparse and salient, that of the abdomen evident, the granules longitudinally elongate. Aedeagus: Fig. 65 ; male sixth free abdominal tergite: Fig. 68 ; pronotum: Fig. 67.

C o m p a r a t i v e n o t e s: Based on the simple linear form of the aedeagus, this new species is included within the group of G. appendiculata MOTSCHOULSKI, 1859 from India, which also includes G. borneensis CAMERON, 1943 , of which I have examined 1 male and 2 females of the type series labelled "Sandakan, N. Borneo, G. borneensis CAMERON , fungus" (MSNL). In the shape of the male sixth free abdominal tergite the new species is near to G. microcicatricosa PACE, 2001 from Mt Kinabalu. The new species differs from G. microcicatricosa in the yellowish-red antennae (brown in G. microcicatricosa ) and in the bi-sinuate aedeagus (curved aedeagus in G. microcicatricosa ).

E t y m o l o g y: The distal portion of the aedeagus of the new species in the shape of a hand with forearm suggested the name of the new species.

Figures

Figs 1-12: Habitus. (1): Gyrophaena manus nov.sp., scale bar 2 mm; (2): Gyrophaena gigaedeagica nov.sp., scale bar 1.6 mm; (3): Gyrophaena osferox nov.sp., scale bar 1.1 mm; (4): Brachida danumensis nov.sp., scale bar 1.8 mm; (5): Aisthentusa flagellifera nov.sp., scale bar 1 mm; (6): Psephothetemusa rougemonti nov.sp., scale bar 1.6 mm; (7): Pseudatheta rougemonti nov.sp., scale bar 1.6 mm; (8): Demerinda sabahensis nov.sp., scale bar 2.5 mm; (9): Outachyusa borneensis nov.sp., scale bar 2.4 mm; (10): Atheta (Acrotona) nitidaespinae nov.sp., scale bar 2.2 mm; (11): Atheta (Poromicrodota) borneotibialis nov.sp., scale bar 2.4 mm; (12): Pelioptera danumensis nov.sp., scale bar 2.5 mm.

Figs 65-76: Aedeagus in lateral and ventral view, spermatheca, sixth free urotergum of male, and pronotum. (65-68): Gyrophaena manus nov.sp.; (69-72): Gyrophaena gigaedeagica nov.sp.; (73- 76): Gyrophaena osferox nov.sp. Scale bars: 0.1 mm.