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
28)
Impatiophila pulla
Fu & Gao
,
sp. nov.
(
Fig. 34
; Pl. 3G)
Diagnosis.
Abdominal tergites entirely black (Pl. 3G). Labellum with 6 pseudotracheae per side. Tenth sternite broader than long, nearly parallel-sided, with W-shaped notch medially on dorsal margin (
Fig. 34
D). Paramere not longer than twice of width in lateral view (
Fig. 34
E).
Description (♂). Head: Cibarium with 2−3 medial and 3−4 posterior sensilla per side.
Thorax (Pl. 3G): Postpronotum blackish brown; scutum and scutellum black; pleura brown to blackish brown.
Wing (Pl. 3G) pale brown; veins brown. C1 setae 2, subequal. Haltere pale yellow.
Leg (Pl. 3G) yellowish brown. Hindleg tarsomere I with 2 black, apically blunt, stout spines at outer apex on underside.
Abdomen: Sternites grayish yellow.
Male terminalia (
Fig. 34
A −F). Epandrium pubescent on posterior portion of dorsal 3/4, ventrally with ca. 18 setae: caudoventral ones shorter and more densely distributed. Surstylus with 1 long, thick setae in addition to 1 stout, upturned prensiseta on dorsal margin and 6 prensisetae along distal margin. Cercus pubescent in patches on anteromedial portion, with ca. 21 long setae. Hypandrium somewhat obovate. Gonopod rounded on dorsal margin, apically beak-like narrowing in lateral view. Paramere caudoventrally rounded, with 6 sensilla. Aedeagal basal process about 1/2 length of paramere.
FIGURE 34.
Impatiophila pulla
Fu & Gao
,
sp. nov.
Adult male (holotype, #01126): A, periphallic organs (caudolateral view); B, caudoventral part of epandrium; C, surstylus (caudal view); D, tenth sternite; E, phallic organs (dorsal view); F, phallic organs (lateral view).
Measurements: BL =
1.91 mm
, ThL =
0.88 mm
, WL =
1.95 mm
, WW =
0.82 mm
.
Indices: arb = 2/1, FW/HW = 0.47, ch/o = 0.09, prorb = 1.03, rcorb = 0.47, orbito = 1.07, vb = 0.42, dcl = 0.49, dcp = 0.40, sterno = 0.53, m-sterno = 0.61, sctl = 1.04, sctlp = 0.97, C = 2.28, 4c = 0.94,
4v
= 1.71,
5x
= 1.46, ac = 2.49, M = 0.43, C3F = 0.39.
Holotype
. ♂ (#01126), Hesong Village, Xiding Town, Menghai County, Xishuangbanna District, Yunnan,
China
,
21°49′57′′N
,
100°06′09′′E
,
17.iv.2010
, by net sweeping above fallen trunks along waterside, J.J. Gao (
KIZ
).
Distribution
.
China
(Yunnan).
Etymology
. Referring to the blackish (
pullus
) body color.
Remarks
. This species known only for male can not be morphologically distinguished from
I
.
unicolorata
sp. nov.
known only for female.