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
Author
Bordoni, A.
text
Linzer biologische Beiträge
2013
2013-12-20
45
2
1745
1797
journal article
10.5281/zenodo.10273196
0253-116X
10273196
E6F2622A-86E4-44BE-90E2-B9C542B9DE14
Metolinus lebu
nov.sp.
M a t e r i a l s t u d i e d:
Holotype
:
Xizang
A.
R
. (
Tibet
),
Cuona
coun.,
Lebu
,
2450-2700 m
,
Jian-Qing Zhu
17.VIII.2010
(
SNUC
).
D e s c r i p t i o n: Length of body about
6,3 mm
; from anterior margin of head to posterior margin of elytra:
3,3 mm
. Reddish brown black, abdomen reddish brown; antennae and legs brown light. Head sub-rectangular, with rounded sides and largely rounded posterior angles. Eyes small and a little protruding. Surface of head with traces of very fine, transverse micro-striation and sparse puncturation. Pronotum massive, longer and narrower than head, with very fine and dense, transverse micro-striation; dorsal series of 5 puntures and lateral series of 4-5 irregular punctures, all well visible. Elytra sub-rectangular, slightly dilated posteriad, longer and wider than pronotum, with scarcely marked humeral angles. Surface with two series of fine punctures near the suture, one median and one lateral. Abdomen with traces of very fine, transverse microstriation and fine, very sparse puncturation.
Posterior margin of 6° visible abdominal tergite and sternite prolongated in a more or less evident median lobe (
Figs 51-52
). Tergite and sternite of the male genital segment as in
Figs 53-54
. Aedeagus (
Fig. 55
) about
1,2 mm
long, ovoidal, narrow and elongated, with characteristic distal plate; parameres long and very narrow; inner sac with two long spines, one shaped like.
E t y m o l o g y: The specific epithet refers to the
type
locality, as a noun in apposition.
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
Tibet
.
N o t e: This species is related to the
M. fruhstorferi
-group from
India
,
Burma
,
Indonesia
,
Thailand
, Fujian [
M. planulatus
(
SHARP 1889
)
from
Japan
and Fujian],
Philippines
, Sulawesi, Borneo (
BORDONI 2002
) by the external characters. The new species differs from the congeners especially by the aedeagus.