A revision of Medon. XI. Five new species, additional records, and the first confirmed records from the Oriental region (Coleoptera: Staphylinidae: Paederinae)
Author
Assing, Volker
text
Beiträge Zur Entomologie = Contributions to Entomology
2018
Beitr. Entomol.
2018-08-01
68
1
69
81
http://zoobank.org/9e801ade-308b-46c0-845d-1e06069eb467
journal article
2398
10.21248/contrib.entomol.68.1.069-081
3810c243-87ff-4dea-b8c1-902072a25cf5
0005-805X
4755039
219B62F1-B798-4121-B4A2-92A7BCD2B952
Medon sabahicus
spec. nov.
urn:lsid:zoobank.org:act:
24AF6CD2-27BC-45D4-A2AB-735AA815D552
(
Figs 22–25
)
Type material
:
Holotype
♂: “
Malaysia
,
Sabah
,
Sandakan
, S Lokan (
LF
) [= logged forest], March 97, AYC Chung / FIT 9/3/4 / Pae50 / BMNH {E} 2002-113,
A. Y. C. Chung
, LF -
Logged Forest
/
Holotypus
♂
Medon sabahicus
sp. n.
det.
V. Assing
2015” (
BMNH
).
Etymology
: The specific epithet (adjective) is derived from
Sabah
, where the
type
locality is situated.
Description
: Body length
3.7 mm
; length of forebody 2.0 mm. Elytra brown, with the humeral portion paler. Other external characters as in
M. sundaicus
.
♂: sternite VII (
Fig. 22
) transverse, posterior margin with broad and pronounced concavity, on either side with a comb of 8 palisade setae; sternite VIII (
Fig. 23
) with a rather large posterior excision of subtriangular shape; aedeagus
0.51 mm
long and shaped as in
Figs 24–25
.
Comparative notes
: This species is distinguished from the similar
M. sundaicus
by slightly larger size, the darker coloration of the elytra, the differently shaped posterior margin of the male sternite VII with longer combs of more numerous palisade setae, and by the longer aedeagus with a differently shaped apex (ventral view) and without a dark internal structure.
Distribution and natural history
: The type locality is situated in
Sabah
, northeastern Borneo,
Malaysia
. The
holotype
was collected with a flight interception trap in a logged forest.