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
Austrosciara multispinulata
sp. n.
(
Fig. 3 A–C
)
Type
locality
:
Australia
,
Australian
Capital
Territory
,
Black Mountain
.
Holotype
: Male,
20.v.1963
, Malaise trap,
CSIRO
, leg. I.F.B. Common,
ASCT
00049056 (
ASCU
).
Paratypes
:
3 males
,
Type
locality, same data (
2 in
PWMP
[
ASCT00049057-58
],
1 in
ASCU
[
ASCT00049055
])
;
1 male
,
7.vi.1978
, N.S.W.,
Uralba Forest
Reserve (Ballina), leg.
B.J. Loudon
,
ASCT00050376
(
PABM
)
.
Description.
Male.
Head.
Brown. Eye bridge 2–3 facets wide. Antenna brownish, with sparse and long erect hairs; 4th flagellomere with l/w index of nearly 4.0, hairs as long as the diameter of the basal node; neck brownish. Palpus 3-segmented, yellow, basal segment with 1–2 bristles and a patch of sensillae.
Thorax.
Brown. Scutum with fine pale hairs, some lateral and prescutellar bristles longer; scutellum with 4 longer marginal bristles; postpronotum bare. Wing pale; R1=1/2 R; R
5 in
the distal third with ventral macrotrichia; C longer than 1/2 w; y somewhat shorter than x, without macrotrichia; posterior veins with macrotrichia: Haltere short, yellowish. Coxae and legs brown; apex of fore tibia with a broad comb of hyaline bristles, with a weakly arched border; spurs of middle and hind tibiae equal in size, longer than the diameter of the apex; claws without teeth.
Abdomen.
Brownish, with short fine hairs. Hypopygium with a rather broadly v-shaped ventral base; gonocoxites at the inner ventral margin with short and sparse hairs; gonostylus large (nearly as long as the gonocoxite), oval and rounded, with short hairs, with 6 short spines, isolated and arranged on the inner side, the apical tooth of the same shape and size. Tegmen longer than broad, pyramid-like. Aedeagus rather long. Body length: 2.0 mm.
Comments
. The species is characterized by macrotrichia on posterior wing veins, the large and bulbous-oval gonostylus with an apical tooth and 6 spines of nearly the same size and shape, isolated and arranged on the inner side, and long flagellomeres.
Distribution
.
Australia
:
Australian
Capital
Territory
,
New South
Wales
.