Tachyusa krugeri Pa, 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 : 89-90

Tachyusa krugeri Pa ś nik, sp. n. ( Figs. 88–90)

Type material. Holotype: ♂: S. Afr., Kruger Nat. Pk., Skukuza res. camp, 24.59 S – 31.35 E, 5.III.1996, UV light, Endrödy­Younga ( TMSA) . Paratypes: 5♂♂ and 4♀♀: same data as the holotype ( TMSA) ; 5♂♂ and 3♀♀: same data as the holotype except: 3.III.1996 ( TMSA) ; 2♂♂ and ♀: same data as the holotype except: 3.III.1996 ( ISEA) ; 3♂♂ and ♀: same data as the holotype, except: 7.III.1996 ( TMSA) ; ♂: same data as the holotype, except: 7.III.1996 ( ISEA) ; ♂: S. Afr., Kruger Nat. Pk., Skukuza­Sabie River , 24.57 S – 31.42 E, 22.II.1995, shore washing, Endrödy­Younga ( TMSA) .

Description. Body. Length 2.6–2.9 mm, convex, parallel­sided, glossy; body colour dark brown to black, elytral posterior margin narrowly yellow, abdomen black with two basal tergites brownish red, legs red, antennae brown with antennomeres 1–2 red.

Head circular in outline; convex, eyes 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 relatively coarse and moderately dense. Antennae long, clearly increasing in width apically, antennomeres 2 and 3 subequal in length, antennomeres 4–10 longer than wide, antennomere 11 nearly conical.

Pronotum quadrate, lateral sides slightly concavely narrowed to obtuse hind angles; before base with small and shallow transverse impression; surface without microsculpture; puncturation relatively coarse, dense and asperate; pubescence at midline directed posteriorly.

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

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

Male. Aedeagus as in Figs. 88–89.

Female. Spermatheca as in Fig. 90.

Remarks. See under T. testacea .

Etymology. The name is derived from Kruger National Park where the new species was found.

Distribution. The new species is known so far only from South Africa.