Demerinda sabahensis, Pace, 2014

Pace, R., 2014, Aleocharinae from Sabah (Borneo) collected by Guillaume de Rougemont (Coleoptera, Staphylinidae), Linzer biologische Beiträge 46 (1), pp. 727-794 : 735

Demerinda sabahensis nov.sp. ( Figs 8 and 82-84 )

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 2.57-2.65 mm. Body shiny, yellowish-brown, elytra brown, antennae brown with the three basal antennomeres dirty yellow, eleventh blackish-brown with apex yellowish-brown; legs yellow. Second antennomere shorter than the first, third as long as the second, fourth, eighth, ninth and tenth strongly transverse, fifth and sixth as long as wide, seventh transverse. Eyes shorter than the postocular region in dorsal view. Reticulation present only on frons, reticulation of the pronotum superficial, that of the elytra evident, absent on the abdomen. Puncturation of the head fine, evident and very superficial. Granulation of the pronotum fine and very superficial, that of the elytra salient and dense, that of the abdomen very salient, also dense. Lateral impression on the pronotum. Aedeagus: Figs 83-84 , spermatheca: Fig. 82.

C o m p a r a t i v e n o t e s: The habitus of the new species is similar to that of D. borneensis PACE, 2004 , also from Borneo, but in the new species the temples are divergent posteriorly. The aedeagus of the new species is clearly different, both in its shape and in the internal sclerotised pieces. There are two long lamina at the base of the flagellum in the aedeagus of the new species, which are absent in the aedeagus of D. borneensis .

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

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 77-89: Spermatheca and aedeagus in lateral and ventral view. (77): Brachida danumensis nov.sp.; (78): Aisthentusa flagellifera nov.sp.; (79): Psephothetemusa rougemonti nov.sp.; (80-81): Pseudatheta rougemonti nov.sp.; (82-84); Demerinda sabahensis nov.sp.; (85): Outachyusa borneensis nov.sp.; (86-88): Atheta (Acrotona) nitidaespinae nov.sp.; (89): Atheta (Poromicrodota) borneotibialis nov.sp. Scale bars: 0.1 mm.