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 trivittata
Okada, 1990
(
Figs 2
J, 7C, 7D, 10L, 14G, 14H, 26)
Leucophenga trivittata
Okada, 1990
: 679
.
Diagnosis.
Abdominal 2nd tergite nearly entirely yellow (
Fig. 10
L); aedeagus clothed with thick pubescence (
Fig. 26
D).
Description.
Ocellar triangle dark brown, with 1–2 setae above ocellar setae. Frons yellow to brownish yellow. Pedicel brownish yellow; first flagellomere yellow. Palpus black and large in female than in male. Clypeus yellowish brown. Mesonotum brownish yellow, brown before scutellum (
Fig. 7
C). Postpronotal lobe yellow (
Fig. 7
D). Acrostichal setulae in 10–12 irregular rows (
Fig. 7
C). Scutellum yellowish brown, dark laterally, pale at tip (
Fig 7
C, D). Pleura yellowish, brown below wing (
Fig. 7
C). Wing (
Fig. 2
J): Costal vein between R2+3 and R4+5 distally with 6–7 peg-like spinules on ventral surface. Abdominal 3rd to 5th tergites black, with yellow patches (
Fig. 10
L). Male terminalia: Epandrium nearly entirely pubescent, with numerous (ca. 24) setae dorsally per side (
Fig. 26
A). Paramere with 6 sensilla mediodorsally (
Fig. 26
C).
Measurements.
BL =
3.07–3.33 mm
in ♂,
3.27–3.50 mm
in ♀ (range in
4♂
and 2♀), THL =
1.43–1.53 mm
in ♂,
1.50–1.67 mm
in ♀, WL =
2.40–2.80 mm
in ♂,
2.70–2.83 mm
in ♀, WW =
1.17–1.23 mm
in ♂,
1.13 mm
in ♀, arb = 7–8/3–4, avd = 0.86–0.96, adf = 1.65–2.25, flw = 1.76–2.00, FW/HW = 0.34–0.37, ch/o = 0.02–0.03, prorb = 0.46–0.61, rcorb = 0.63–0.71, vb = 0.41–0.48, dcl = 0.41–0.55, presctl = 0.44–0.55, sctl = 1.14–1.29, sterno = 0.52–0.74, orbito = 2.10–2.56, dcp = 0.23–0.30, sctlp = 0.89–1.06, C = 2.20–2.63, 4c = 1.16–1.32,
4v
= 1.67–2.03,
5x
= 0.77–0.89, ac = 2.26–2.59, M = 0.43–0.47, C3F = 0.95–0.99.
Specimens examined.
CHINA
: 1♀ (SCAU, No.
123132
), Jinuoshan, Jinghong, Yunnan,
22°02'N
,
101°00'E
,
800m
,
17.iv.2009
, ex tree trunk, L Wu;
2♂
, 1♀ (SCAU, Nos
123129
–31), Menglun, Mengla, Yunnan,
780m
,
17.iv.2007
, ex tussocks, HW Chen;
2♂
(SCAU, Nos
123133
, 34), Wangtianshu, Mengla, Yunnan,
570m
,
23.iv.2007
, ex tree trunks, HW Chen.
Distribution.
China
(Yunnan),
Thailand
(Chiang Mai).