Tachyusa schuberti Jacobson, 1909

Pa ṡnik, Grzegorz, 2006, A revision of the World species of the genus Tachyusa Erichson, 1837 (Coleoptera, Staphylinidae: Aleocharinae), Zootaxa 1146, pp. 1-152 : 37-38

Tachyusa schuberti Jacobson, 1909 ( Figs. 21–23)

Tachyusa bicolor Schubert, 1906: 379 (nec Mulsant & Rey, 1875), nom. preoc.

Tachyusa schuberti Jacobson, 1909: 540 .

Tachyusa (Caliusa) schuberti: Fenyes, 1920: 173 ; Bernhauer & Scheerpeltz, 1926: 586; Cameron, 1939: 268.

Type material. Holotype: ♂: Kashmir, Jhelam River , K. Rost, II.1906, Tachyusa bicolor Schub. (ZMHB) .

Additional material. Afghanistan: Sarobi , 900 m, Kabulfluss, 12.VI.1952, J. Klapperich, 1 ex ( NMW) . India: Kashmir , Rost, 1905, 1 ex ( DEI) ; 2 exx ( CAS). Tajikistan: Hissar­Alai , Adjuk­Cleft near Warsob river, 1–3.VII.1990, M. Schülke, 1 ex ( MSPC) ; 1 ex ( ISEA).

Redescription. Body. Length 2.5–2.8 mm. Body convex, parallel­sided, glossy; head pitchy brown, pronotum and elytra red, abdomen black with two basal tergites red, legs red, antennae brown with antennomeres 1–3 red.

Head circular in outline, convex, eyes relatively small, weakly protruding from lateral contours of head, length of each seen from above shorter than postocular region; surface of head lacking microsculpture; puncturation very fine and moderately dense. Antennae short, clearly increasing in width apically, antennomere 3 shorter than 2, antennomeres 4– 8 elongate, antennomeres 9–10 quadrate, antennomere 11 nearly conical.

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

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

Abdomen parallel­sided, bases of tergites 3–5 each with deep transverse impression, impressions with 7–8 longitudinal ridges, tergal puncturation fine and scattered, punctures

very small and scarcely visible, surface without microsculpture.

Male. Aedeagus as in Figs. 21–22.

Female. Spermatheca as in Fig. 23.

Remarks. See under T. agilis .

Distribution. Tachyusa schuberti is known so far only from Afghanistan, India and Tajikistan.