Tachyusa gilvipes ( Pace, 1998 ) Paṡnik, 2006

Pa ṡnik, Grzegorz, 2006, A revision of the World species of the genus Tachyusa Erichson, 1837 (Coleoptera, Staphylinidae: Aleocharinae), Zootaxa 1146, pp. 1-152 : 102-103

Tachyusa gilvipes ( Pace, 1998) comb. n. ( Figs. 100–102)

Ischnopoda (Caliusa) gilvipes Pace, 1998: 404 .

Type material. Holotype: ♀: China: Beijing, Panshan , 8.V.1995, de Rougemont ( MHNG).

Redescription. Body. Length 3.0 mm, convex, parallel­sided, glossy; body colour black; legs brown with yellow tarsi, antennae brown with antennomeres 1–3 yellowish red.

Head circular in outline; convex, eyes large, moderately protruding from lateral contours of head, length of each seen from above subequal to that of postocular region; surface of head without microsculpture; puncturation fine and dense. Antennae short, clearly increasing in width apically, antennomere 3 shorter than 2, antennomeres 4–7 longer than wide, antennomeres 8–10 as long as wide, antennomere 11 nearly conical.

Pronotum quadrate, lateral sides gradually narrowed in straight line to obtuse hind angles; before base with small and shallow transverse impression; surface without microsculpture; puncturation fine, dense and asperate; pubescence at midline directed posteriorly.

Elytra subquadrate, at suture as long as pronotal length at midline; surface lacking microsculpture; puncturation fine, dense and asperate.

Abdomen parallel­sided, bases of tergites 3–5 each with deep transverse impression, impressions with 7–8 longitudinal ridges, tergal puncturation fine and moderately dense, punctures moderately small and well visible, surface without microsculpture.

Male. Aedeagus as in Figs. 100–101 (after Pace 1998). Female. Spermatheca as in Fig. 102. Remarks. Tachyusa gilvipes is extremely similar to T. wei Pace, 1990 and T. coarctata Erichson, 1837 , but may be readily separated from both these species by a different shape of the aedeagus. Distribution. Tachyusa gilvipes is known so far only from China.