The genus Leucophenga (Diptera, Drosophilidae), part IV: the ornata species group from the East Asia, with morphological and molecular evidence (II)
Author
Huang, Jia
Author
Li, Tong
Author
Chen, Hongwei
text
Zootaxa
2014
3893
1
1
55
journal article
10.11646/zootaxa.3893.1.1
c3104971-b07a-424c-81e9-ef313376b7d2
1175-5326
287539
D0600C5C-DA06-47C5-80CD-4E625EBC6259
Leucophenga nigrinervis
Duda, 1924
(
Figs 2
D, 5J, 6A, 6B, 10E, 13G, 13H, 21)
Leucophenga nigrinervis
Duda, 1924
: 236
;
Li & Wheeler, 1972
: 248
;
Okada, 1990
: 684
.
Diagnosis.
Paramere broadened and short (
Fig. 21
C); aedeagus narrowed medially, expanded and with thick pubescence on distal 1/3 (
Fig. 21
D).
FIGURE 21.
Leucophenga nigrinervis
, 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 brown, with 2–5 setae above ocellar setae. Frons brownish to brown. Pedicel yellowish brown; first flagellomere yellow. Clypeus dark brown. Palpus brownish yellow. Mesonotum brownish yellow to yellowish brown, sometimes dark brown before scutellum (
Figs 5
J, 6A). Postpronotal lobe yellow to brownish yellow (
Fig. 6
B). Acrostichal setulae in 12–16 irregular rows (
Figs 5
J, 6A). Scutellum brownish yellow to brown, black along margin, yellow around apical scutellar setae (
Fig. 5
J), sometimes pale at tip. Pleura with a brown, longitudinal stripe above (
Fig. 6
B). Katepisternum and mesopleuron mostly yellow to brownish yellow; mesopleuron with 1 brownish patch (
Fig. 6
B). Wing (
Fig. 2
D): Costal vein between R2+3 and R4+5 distally with 5–8 peg-like spinules on ventral surface. Mid and hindlegs brown on knees. Abdominal tergites brown to dark brown, with yellow patches (
Fig. 10
E). Male terminalia: Epandrium mostly pubescent, with 10 setae near posterior margin per side (
Fig. 21
A). Paramere round apically, with pubescence and 6 sensilla dorsally (
Fig. 21
C).
Measurements.
BL =
3.30–4.20 mm
in ♂,
3.27–4.13 mm
in ♀ (range in
5♂
and 5♀), THL =
1.67–2.83 mm
in ♂,
1.60–1.80 mm
in ♀, WL =
2.87–3.70 mm
in ♂,
2.93–3.33 mm
in ♀, WW =
1.33–1.77 mm
in ♂,
1.33–1.60 mm
in ♀, arb = 7–9/3–4, avd = 0.73–0.94, adf = 1.60–2.12, flw = 1.40–2.12, FW/HW = 0.36–0.40, ch/o = 0.04–0.05, prorb = 0.44–0.60, rcorb = 0.50–0.71, vb = 0.29–0.46, dcl = 0.40–0.56, presctl = 0.45–0.61, sctl = 1.10–1.43, sterno = 0.69–0.85, orbito = 1.83–2.40, dcp = 0.23–0.29, sctlp = 1.00–1.17, C = 1.76–2.12, 4c = 1.36–1.82,
4v
= 1.64–2.47,
5x
= 1.00–1.27, ac = 2.58–3.63, M = 0.49–0.70, C3F = 0.85–0.90.
Specimens examined.
CHINA
:
1♂
(SCAU, No.
123045
), Dabang, Jiayi,
Taiwan
,
800m
,
15.x.2012
, ex tree trunk, HW Chen; 1♀ (SCAU, No.
123046
), Fengtongzhai, Yaan, Sichuan,
30°34'N
,
102°23'E
,
1570m
,
19.ix.2005
, ex tussock, HW Chen;
3♂
, 1♀ (SCAU, Nos
123047
–50), Jizushan, Dali, Yunnan,
26°01'N
,
100°21'E
,
1900m
,
3.vii.2006
, ex tree trunks, T Li;
2♂
, 2♀ (SCAU, Nos
123051
–54), Hesong, Menghai, Yunnan, 21˚50'N, 100˚06'E,
1750m
,
27.iii.2011
, ex tussocks, SJ Yan, JM Lu;
2♂
(SCAU, Nos
123055
, 56), Ailaoshan, Jingdong, Yunnan,
24°32'N
,
101°01'E
,
2100m
,
31.vii.2006
, ex tree trunks, T Li;
2♂
, 2♀ (SCAU, Nos
123057
–60), Weixi, Yunnan,
27°10'N
,
99°17'E
,
1900m
,
29.vii.2004
, ex tree trunks, HW Chen;
1♂
(SCAU, No.
123001
), Jiaoye Park, Kunming, Yunnan,
2000m
,
31.vii.2000
, ex tree trunk, HW Chen;
3♂
, 1♀ (SCAU, Nos
123061
–64), Tongmai, Bomi, Xizang,
30°06'N
,
95°05'E
,
2000m
,
12.x.2010
, ex tree trunks, YR Su.
JAPAN
:
1♂
(SCAU, No.
123092
), Iriomote Is., Ryukyu Is.,
18.vi.1999
, tree trunk, HW Chen.
Distribution.
China
(
Taiwan
, Sichuan, Yunnan, Xizang),
Japan
(Ryukyu Is.).