Aisthentusa flagellifera, Pace, 2014

Pace, R., 2014, Aleocharinae from Sabah (Borneo) collected by Guillaume de Rougemont (Coleoptera, Staphylinidae), Linzer biologische Beiträge 46 (1), pp. 727-794 : 732

Aisthentusa flagellifera nov.sp. ( Figs 5 and 78 )

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).

D e s c r i p t i o n: Length 1.06 mm. Body shiny, yellow, posterior half of the elytra brown, antennae brown with the three basal antennomeres of pale yellow colour, legs yellow. Second antennomere as long as the first, third shorter than the second, fourth to tenth strongly transverse. Eyes longer than the postocular region in dorsal view. Head, pronotum and abdomen devoid of reticulation, that of the elytra polygonal irregular evident. First to fourth free abdominal tergites with squamous sculpture. Aedeagus: Fig. 78.

C o m p a r a t i v e n o t e s: This new species is distinguished from A. borneensis PACE, 2002 from Borneo by the apex of the aedeagus, which is narrower, and by the long flagellum among the internal sclerotised pieces of the aedeagus, which is absent in A. borneensis .

E t y m o l o g y: The name of the new species means "flagellum bearer". The flagellum is among the internal sclerotised pieces of the aedeagus.

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.