Thyreocephalus macrophallus, 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 : 1748-1749

Thyreocephalus macrophallus nov.sp.

M a t e r i a l s t u d i e d: Holotype: Yunnan, Nabanhe conv., Xishuangbanna, Hu & Tang 10.VII.2003 ( SNUC).

D e s c r i p t i o n: Length of body about 12 mm; from anterior margin of head to posterior margin of elytra: 7 mm. Body black with reddish 6° visible abdominal segment and genital segment; antennae and legs brown. Head and pronotum and related puncturation as in Fig. 4 . Labrum as in Fig. 5 . Elytra sub-rectangular, narrow, longer that pronotum and as wide as the pronotum at the anterior angles, with sub-rectilinear and subparallel sides, and strictly marked humeral angles. Surface with well visible, dense puncturation, arranged in numerous series; the median serie oblique. Abdomen with very fine and dense, transverse micro-striation and well visible, not sparse puncturation, arranged in some series.

Tergite and sternite of the male genital segment as in Figs 6-7 . Aedeagus ( Fig. 8 ) very large, 2,6 mm long, of characteristic shape, with median lobe protruding and symmetrical parameres; inner sac tube-like, folded some time on itself, and enlarged in the proximal portion, covered by fine scales.

E t y m o l o g y: The specific epithet refers to the big size of the aedeagus.

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

N o t e: The new species differs from T. yunnanus BORDONI 2007 by size, colouration, shape of the forebody, puncturation, and by the not flat body.

Figures

Figs 1-7: tergite, sternite of the male genital segment, aedeagus of Pachycorynus helvus nov.sp. (1- 3) (bar scale: 0,1 mm); head and pronoum (bar scale: 1 mm), labrum, tergite, sternite of the male genital segment of Thyreocephalus macrophallus nov.sp. (4-7).

Figs 8-12: aedeagus of Thyreocephalus macrophallus nov.sp. (8) (bar scale: 0,5 mm); head and pronoum (bar scale: 1 mm), labrum, male genital segment, sternite of the same of Thyreocephalus depressus nov.sp. (9-12).