Daolus niger, Bordoni, 2009

Bordoni, A., 2009, New data on Xantholinini from China. XVII. Daolus niger nov. sp. from Zhejiang (Coleoptera: Staphylinidae, Xantholinini) 205 ° contribution to the knowledge of the Staphylinidae, Linzer biologische Beiträge 41 (2), pp. 1867-1870 : 1868

Daolus niger nov.sp. ( Figs 1-4 )

H o l o t y p e Ƌ: China, Zhejiang, Tianmu Shan N. R., way to peak of immortals, 30.20N, 119.25E, 1100-1200 m, M. Schülke leg. 15.VI.2007 (coll. Schülke, Berlin) ; paratypus ♀: China, Zhejiang, W Tianmu Shan, N. R., path to peak of immortals ( Blind allay), 30.20N., 119,25E, 1100-1200 m (coll. Bordoni, Firenze) .

D e s c r i p t i o n: Body 16 mm long; length from the anterior margin of the head to the posterior margin of elytra: 8 mm. Body shiny, black; genital segment reddish; antennae and legs brown blackish. Head backwards dilated, with rounded sides and strictly rounded posterior angles. Eyes small and almost flat. Labrum as in fig. 1. Surface of the head with sparce and very fine micropunctation and with some small punctures, one under the insertion of the antennae, one at the end of the ocular grooves, two under the eyes, two near the posterior angles, some others on the posterior half of the head. Pronotum longer and narrower that head, with one puncture near the anterior angles. Elytra narrow, shorter and narrower than pronotum, with distict humeri. Surface with 2-3 series of fine punctures near the suture, one median series of more distinct and large punctures. Abdomen without microsculpture, with distinct, dense punctures, especially on the lateral portion.

Tergite and sternite of the male genital segment as in figs. 2-3. Aedeagus (fig. 4) big (3.55 mm long), with symmertical and short parameres; internal sac short, tubular, with some lateral scales.

D i s t r i b u t i o n: It is known to me only from the type locality.

E t y m o l o g y: The specific epithet is based on the Latin niger - a - um (blach).

N o t e s: This species differs from D. eppelsheimi by body size, coloration, punctation, labrum and aedeagus.

Figures

Figs 1-4: Daolus niger nov.sp: (1) labrum; (2) tergite of the male genital segment; (3) sternite of the same; (4) aedeagus (scale: 0.1 mm).