A new genus of anthophilous drosophilids, Impatiophila (Diptera, Drosophilidae): morphology, DNA barcoding and molecular phylogeny, with descriptions of thirty-nine new species
Author
Fu, Zhao
Author
Toda, Masanori J.
Author
Li, Nan-Nan
Author
Zhang, Ya-Ping
Author
Gao, Jian-Jun
text
Zootaxa
2016
4120
1
1
100
journal article
38932
10.11646/zootaxa.4120.1.1
606b81b7-45af-4821-a885-ebf237fd4cc4
1175-5326
266831
EC979B80-9468-4E56-B5C0-90A7F1C78CB3
10)
Impatiophila tumidivalva
Fu & Gao
,
sp. nov.
(
Fig. 20
; Pl. 2A; Pl.
6I
)
Diagnosis.
Abdominal tergite dark brown to glossily black (Pl. 2A). Oviscapt valve strongly inflated in lateral view, strongly convex dorsosubapically (
Fig. 20
A).
Description
(♀). Head: Cibarium with 2−3 medial and 5 posterior sensilla per side.
Thorax (Pl. 2A): Postpronotum and pleura blackish brown; scutum and scutellum black.
Wing (Pl. 2A) hyaline; veins brown. C1 setae 2; ventral one shorter and thinner. Setae of middle row on 2nd costal section all weak, trichoid. Haltere pale yellow.
Legs (Pl. 2A) yellowish brown. Hindleg tibia with 2 black, apically blunt, stout spines at outer apex on underside.
Abdomen: Sternites grayish brown.
Female terminalia (
Fig. 20
A, B; Pl.
6I
): Oviscapt valve less expanded dorsomedially in lateral view, with 3−4 dorsal ovisensilla on strongly convex, dorsosubapical margin, 7 lateral ones and 9−12 distally increasing in size on nearly straight, ventral margin. Spermathecal capsule brown; introvert depth of duct about 1/2 of capsule height.
FIGURE 20.
Impatiophila tumidivalva
Fu & Gao
,
sp. nov.
Adult female (holotype, #00376): A, oviscapt (lateral view); B, oviscapt (ventral view).
Measurements: BL =
2.52 mm
, ThL =
1.15 mm
, WL =
2.34 mm
, WW =
1.05 mm
.
Indices: arb = 2/1, FW/HW = 0.48, ch/o = 0.11, prorb = 0.98, rcorb = 0.68, orbito = 0.94, vb = 0.44, dcl = 0.59, dcp = 0.37, sterno = 0.71, m-sterno = 0.77, sctl = 1.05, sctlp = 1.00, C = 2.48, 4c = 0.91,
4v
= 1.69,
5x
= 1.68, ac = 2.29, M = 0.50.
Holotype
. ♀ (#00376): Hanmi Village, Beibeng Town, Motuo County, Linzhi District, Xizang,
China
,
29°22′00′′N
,
95°07′39′′E
, ca.
2130 m
,
26.ix.2010
,
ex
Impatiens
?
arguta
Hook.
f. & Thoms. (
Fig. 1
D) J.J. Gao (
KIZ
).
Distribution
.
China
(Xizang).
Etymology.
Referring to the strongly inflated (
tumidus
) oviscapt valve (
valva
).