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 apunctata
Huang & Chen
,
sp. nov.
(
Figs 2
E,
4I
, 4J, 8E,
10I
, 10J, 18)
Diagnosis.
This species is very similar to
L
.
hirsutina
sp. nov.
in the wing lacking distinct patches and the katepisternum brownish yellow (
Figs 2
E, 4J, 3C, 6F), see under that species.
FIGURE 18.
Leucophenga apunctata
sp. nov.
, male terminalia in lateral view: A. epandrium, surstylus and cercus; B. hypandrium, paramere, gonopods, aedeagus and aedeagal apodeme; C. paramere; D. aedeagus. Scale bars = 0.1 mm.
Description.
Ocellar triangle dark brown, with ca. 3–5 setae above ocellar setae. Frons yellowish brown to dark brown. Pedicel yellow, first flagellomere yellowish brown. Clypeus brown. Mesonotum yellowish brown, with 3 diffuse, dark longitudinal stripes: broad medially and thin laterally in
holotype
(
Fig.
4
I), sometimes without any stripes in some
paratypes
. Postpronotal lobe yellowish brown. Acrostichal setulae in ca. 14 irregular rows (
Fig.
4
I). Scutellum yellowish brown, pale at tip (
Fig.
4
I). Katepisternum brownish yellow (
Fig. 4
J). Meron slightly brown (
Fig. 4
J). Wing (
Fig. 2
E): Costal vein between R2+3 and R4+5 distally with ca. 7–10 peg-like spinules on ventral surface. Abdominal tergites brownish to brown (
Fig. 8
E); second yellow medially; third with a pair of yellow patches submedially along margin; fourth and fifth entirely brown; sixth with yellow on posterior margin. Male terminalia: Epandrium with ca. 19 setae near dorsal to ventral margins per side (
Fig. 18
A). Hypandrium with 1 long sensillum (
Fig. 18
B). Paramere distally broadened, with 4 sensilla and pubescence (
Fig. 18
C). Aedeagus not reticulated, distally ventrad curved and with a small, dorsal projection (
Fig. 18
D).
Measurements.
BL =
4.60 mm
in
holotype
(range in
4♂
and 5♀
paratypes
:
3.53–4.40 mm
in ♂,
3.80–4.33 mm
in ♀), THL =
2.10 mm
(
1.57–2.13 mm
in ♂,
1.67–1.87 mm
in ♀), WL =
5.40 mm
(2.97–4.00 mm in ♂,
3.37– 3.73 mm
in ♀), WW =
1.93 mm
(
1.47–1.88 mm
in ♂,
1.57–1.77 mm
in ♀), arb = 6/3 (5–7/2–3), avd = 0.69 (0.62– 0.91), adf = 1.53 (1.11–1.57), flw = 1.65 (1.44–1.76), FW/HW = 0.34 (0.34–0.39), ch/o = 0.04 (0.03–0.05), prorb = 0.56 (0.50–0.62), rcorb = 0.67 (0.61–0.71), vb = 0.37 (0.33–0.52), dcl = 0.51 (0.44–0.55), presctl = 0.51 (0.43– 0.68), sctl = 1.02 (1.22–1.50), sterno = 0.78 (0.55–0.92), orbito = 2.67 (1.83–2.42), dcp = 0.35 (0.23–0.35), sctlp = 1.06 (0.86–1.11), C = 2.50 (2.51–2.70), 4c = 1.28 (1.11–1.46),
4v
= 2.00 (1.83–2.49),
5x
= 0.96 (0.91–1.25), ac = 2.78 (2.73–3.06), M = 0.50 (0.48–0.74), C3F = 0.75 (0.70–0.79).
Type
specimens.
Holotype
♂ (SCAU, No.
121563
),
CHINA
: Maoniuhe, Danba, Sichuan, alt.
2650m
,
14.ix.2005
, ex tree trunk, HW Chen.
Paratypes
:
CHINA
:
12♂
, 5♀ (
2♂
, 2♀ in KIZ;
10♂
, 3♀ in SCAU, Nos
121564
–76), same data as
holotype
, HL Cao, HW Chen, MF Xu.
Etymology.
A combination of the Latin words “
a-
” (= absent) + “
punctatus
” (= patch), referring to the wing without distinct patches.
Distribution.
China
(Sichuan).