Achmonia yunnana, Bordoni, 2013

Bordoni, A., 2013, New data on the Xantholinini from China. 24. New genus, new species and new records of the Shanghai Normal University collection (Coleoptera, Staphylinidae) 244 ° contribution to the knowledge of the Staphylinidae, Linzer biologische Beiträge 45 (2), pp. 1745-1797 : 1750-1751

Achmonia yunnana nov.sp.

M a t e r i a l s t u d i e d: Holotype: Yunnan, Nabanhe N. R., Bengganghani, Nanmugahe, Jia-Yao Hu & Zi-Wei Yin 30.IV-2.V.2009 ( SNUC).

D e s c r i p t i o n: Length of body about 14 mm; from anterior margin of head to posterior margin of elytra: 8 mm. Head and pronotum black, elytra red with black scutellum; abdomen reddish black; genital segment reddish; antennae and legs brown. Head and pronotum shiny. Head and pronotum and related puncturation as in Fig. 19 . Head proportionally small. Labrum as in Fig. 20 . Elytra a little longer and wider than pronotum, sub-rectangular, slightly dilated posteriad, with just rounded sides and marked humeral angles. Surface with evident, not deep but dense puncturation, arranged in numerous series. Abdomen with fine and dense, transverse micro-striation and deep, very dense puncturation, arranged in numerous series.

Tergite and sternite of the male genital segment as in Figs 21-22 . Aedeagus ( Fig. 23 ) very large, 3 mm long, with short median lobe and symmetrical parameres; inner sac ribbon-like, wide, folded some time on itself, covered by sub-triangular, dense scales, arranged as in Fig. 24.

E t y m o l o g y: The specific epithet refers to Yunnan.

G e o g r a p h i c a l d i s t r i b u t i o n: The species is known only from the type locality, in Yunnan.

N o t e: This species differs from A. eppelsheimi (BERNHAUER & SCHUBERT 1914) from Nepal, Sikkim, Bhutan and Meghalaya, by wide body, by the shape of labrum, head and pronotum, in particular by not sub-quadrangular head and not posteriad narrow pronotum, by puncturation of head and by very different aedeagus.

Figures

Figs 19-24: head and pronoum (bar scale: 1 mm), labrum, tergite, sternite of the male genital segment, aedeagus (bar scale: 0,5 mm) with particular of the scales of Achmonia yunnana nov.sp.