New data on the Oriental Xantholinini. 44. New species and new records from Nepal, Malaysia, Vietnam, Philippines, Sumatra, and Sabah (Coleoptera Staphylinidae)
Author
Bordoni, Arnaldo
text
Beiträge Zur Entomologie = Contributions to Entomology
2017
2017-12-08
67
2
255
264
http://dx.doi.org/10.21248/contrib.entomol.67.2.255-264
journal article
2441
10.21248/contrib.entomol.67.2.255-264
90bd4bd8-cf57-4acf-9088-8b167b1df709
0005-805X
4754929
9A6B7F12-F033-4F29-A5CA-83823918291D
Medhiama nepalica
spec. nov.
urn:lsid:zoobank.org:act:
B8C8F894-EC9B-4EC4-BE91-30D8AD412AB
(
Figs 25-27
)
Examined material
:
Holotype
♂:
NE
Nepal
,
Lukla
,
2900 m
, I. Zhou
15.VII.2016
(cB).
Description:
Length of body
3.9 mm
; from anterior margin of head to posterior margin of elytra:
2.1 mm
. Entirely dark reddish brown, with light brown antennae and legs; elytra and abdomen slightly paler. Head subrectangular, with slightly rounded sides and widely rounded posterior angles. Eyes medium-sized and slightly protruding. Surface shiny, with evident, sparse punctation, distinclty denser on lateral portions. Pronotum dilated anteriorly, longer than head and as wide as it in anterior portion, with slightly oblique anterior margins, rounded anterior angles and feebly sinuate sides. Surface with dorsal series of 7 fine punctures and lateral series of 3-4 spaced punctures. Elytra longer and wider than pronotum, dilated posteriad, with conspicuous humeral angles. Surface with few series of fine, scattered punctation, especially on sides. Abdomen with fine, transverse micro-striation and fine, very spaced punctation.
Figs 13–27
: Tergite and sternite of the male genital segment and aedeagus of
Pachycorynus lanceolatus
spec. nov.
(
13–15
),
Metolinis vucanalis
spec. nov.
(
16–18
),
Metolinis jubing
spec. nov.
(
19–21
) (scale bar: 0.1 mm),
Phacophallus philippinus
spec. nov.
(
22–24
), and
Medhiama nepalica
spec. nov.
(
25–27
) (scale bar: 0.1 mm).
Figs 28–31
: Habitus of
Pachycorynus sabahensis
spec. nov.
(total lenght 5.4 mm) (
28
),
P. balaneion
spec. nov.
(total lenght: 5 mm) (
29
)
P. kinabaluensis
spec. nov.
(total lenght: 3.5 mm) (
30
) and
Pachycorynus danum
spec. nov.
(total lenght: 3.5 mm) (
31
) (photo: S. Cuoco).
and)
33
() mm 4.4: lenght total (. nov. spec
vulcanalis
Metolinus
.) Cuoco,)
32
. (S): mm photo 3.5 ():
34
lenght () mm total 3.5 (:. nov lenght. spec total (
lanceolatus
) 1959,.
P
KRAATZ of Habitus (
filum
:
34 – 32
Xanthopius
Figs
32
Tergite and sternite of the male genital segment as in
Figs 25-26
. Aedeagus (
Fig. 27
)
0.92 mm
long, sub-rectangular, broad, with asymmetric parameres; inner sac with long, distal tufts of arched, long spinulae, followed by 2 narrow areas covered with fine spinulae.
Etymology:
The specific epithet refers to
Nepal
.
Distribution:
The species is known only from the
type
locality.
Remarks
: This is a very small
Medhiama
BORDONI, 2002
. It differs from
M. schawalleri
BORDONI, 2002
from
Nepal
(Myagdi Khola) by significantly smaller body, coloration, punctation of head and pronotum (punctation of
M. shawalleri
dense on the head and on sides of a median stripe of the pronotum), shape of parameres and inner sac. It differs also from
M. pauper
(
SHARP, 1889
)
from
Nepal
, North
India
,
China
and
Japan
(
BORDONI, 2002
) by darker coloration, punctation and aedeagus with different parameres and inner sac.