New black fungus gnats (Diptera: Sciaridae) from Eastern Australia
Author
Mohrig, Werner
Author
Kauschke, Ellen
Author
Broadley, Adam
text
Zootaxa
2018
2018-07-24
4450
2
203
241
journal article
29318
10.11646/zootaxa.4450.2.3
ad05fb6a-3087-433c-a1d7-ef8ab0ab966d
1175-5326
1444654
624934AE-AEF3-4366-81B2-0997054B3DBD
Scatopsciara nigrothoracica
sp. n.
(
Fig. 24 A–C
)
Type
locality
:
Australia
,
Victoria
,
Twin
River
Drive
,
South Morang.
Holotype
: Male,
18.i.2015
,
yellow trap
in vegetable garden, leg. A. Broadley, #74B (ANIC).
FIGURE 24.
Scatopsciara nigrothoracica
sp. n.
A. Hypopygium; B. FlagEllomErEs 3–5; C. Tibial organ.
Description.
Male.
Head
: Dark brown. Eye bridge 3–4 facets wide. Antenna brown; 4th flagellomere with l/w index of 1.5, with whitish hairs, somewhat shorter than the diameter of the basal node; neck brown. Palpus brownish, 3-segmented, basal segment with 1 bristle, without a deepened sensory area.
Thorax.
Brown. Scutum with dark hairs, some lateral and prescutellar bristles longer; scutellum with 2 longer marginal bristles. Postpronotum bare. Wing pale, R1 short, somewhat longer than 1/2 R; R5 without ventral macrotrichia; C shorter than 1/2 w; y shorter than x, without macrotrichia; posterior wing veins without macrotrichia. Haltere brown. Coxa and legs brown; apex of fore tibia with a rather wide comb-like row of bristles; spurs of middle and hind tibiae distinctly unequal in size; claws without teeth.
Abdomen.
Brown, with brown hairs. Hypopygium basally wide and v-shaped; gonocoxites with rather short and sparse hairs at the inner ventral margin; gonostylus pointed to the apex, the inner side flattened, with an apical tooth and 3 spines at the inner side, 2 as a cross pair near the middle, the third below the middle. Tegmen large, wider than long. Aedeagus rather short. Body length: 2.0 mm.
Comments.
The species is characterized by the dark body colour and the pointed gonostylus with a flattened inner side and 3 short spines.
Distribution.
Australia
:
Victoria
.