The genus Leucophenga (Diptera, Drosophilidae), part II: the ornata species group from East Asia, with morphological and molecular evidence (I)
Author
Huang, Jia
Author
Li, Tong
Author
Gao, Jianjun
Author
Chen, Hongwei
text
Zootaxa
2013
3701
2
101
147
journal article
10.11646/zootaxa.3701.2.1
731510ba-7926-418b-82cd-82e52f3b7439
1175-5326
249340
872A8545-2050-4016-B0EF-03A49F6A8E3F
Leucophenga glabella
Huang & Chen
,
sp. nov.
(
Figs 3
B, 6C, 6D, 9A, 12C, 12D, 25)
Diagnosis.
This species is similar to
L
.
todai
in the patterns of abdominal tergites and the shaped of aedeagus, but can be distinguished from the latter by having the wing with distinct dark patch basally (
Fig. 3
B); the katepisternum yellow (
Fig. 6
D).
Description.
Ocellar triangle dark brown, with ca. 3 setae above ocellar setae. Frons yellowish brown. Pedicel yellowish brown; first flagellomere yellow. Clypeus brown. Mesonotum yellowish brown medially, brown laterally and near scutellar sutere (
Fig. 6
C). Postpronotal lobe yellow. Acrostichal setulae in ca. 12–14 irregular rows (
Fig. 6
C). Scutellum dark brown, yellow at tip (
Fig. 6
C). Katepisternum and meron mostly yellow (
Fig. 6
D). Wing (
Fig. 3
B): Costal vein between R2+3 and R4+5 distally with ca. 7–8 peg-like spinules on ventral surface. Abdominal tergites dark brown (
Fig. 9
A); second brown subanterolaterally and posteriorly; third with a pair of narrow, yellow patches submedially along anterior margin; fourth and fifth with 2 pairs of yellow patches submedially along or near anterior margins; sixth with M-shaped yellow patch medially. Male terminalia: Epandrium with ca. 18 setae near dorsal margin to ventral corner per side (
Fig. 25
A). Hypandrium lacking sensillum (
Fig. 25
B). Paramere pubescent and with ca. 2 sensilla submedially (
Fig. 25
C). Aedeagus reticulated, distally round and curved ventrad (
Fig. 25
D).
Measurements.
BL =
4.03 mm
in
holotype
, THL =
2.07 mm
, WL =
3.87 mm
, WW =
1.63 mm
, arb = 9/4, avd = 0.94, adf = 1.68, flw = 1.68, FW/HW = 0.36, ch/o = 0.04, prorb = 0.61, rcorb = damaged, vb = 0.39, dcl = 0.44, presctl = 0.44, sctl = 1.36, sterno = 0.86, orbito = 2.45, dcp = 0.24, sctlp = 1.13, C = 2.01, 4c = 1.51,
4v
= 2.18,
5x
= 1.04, ac = 2.34, M = 0.60, C3F = 0.90.
Type
specimens.
Holotype
♂ (SCAU, No.
121735
),
CHINA
: Hesong, Menghai, Yunnan, alt.
1900m
,
13.v.2012
, ex tree trunk, HW Chen.
Etymology.
From the Latin word “
glabellus
” (= glabrous), referring to the paramere lacking pubescence.
Distribution.
China
(Yunnan).