Austrosciara infrequens ( Skuse, 1888 ) Skuse, 1888

Broadley, Adam, Kauschke, Ellen & Mohrig, Werner, 2016, Revision of the types of male Sciaridae (Diptera) described from Australia by F. A. A. Skuse, Zootaxa 4193 (3), pp. 401-450 : 410

publication ID	https://doi.org/ 10.11646/zootaxa.4193.3.1
publication LSID	lsid:zoobank.org:pub:BD4B57FA-FCB5-45B5-BF3F-B824F6E21E9C
DOI	https://doi.org/10.5281/zenodo.6089894
persistent identifier	https://treatment.plazi.org/id/57338830-4D45-FF9C-FF2E-B2F0FD35FC71
treatment provided by	Plazi
scientific name	Austrosciara infrequens ( Skuse, 1888 )
status	comb. nov.

Treatment

Austrosciara infrequens ( Skuse, 1888) View in CoL comb. n.

( Fig. 5 View FIGURE 5 A‒B)

Sciara infrequens Skuse, 1888 View in CoL [ Skuse (1888): 719 ‒720].

Type locality. Australia, New South Wales, Sydney, Elizabeth Bay .

Holotype. Male. Original label data verbatim ‘ Sc. infrequens / Ƌ (ink) TYPE./ F. A. A. Skuse (print)’, ‘Sydney/ S’ (ink). Mounted in Canada balsam Dec. 2015. ( ANIC; Slide No. 028).

Remarks. In the original description Skuse noted “ Hab.—Elizabeth Bay (Skuse). January.”

Preservation. Head missing, scutum damaged, other morphological details in good condition.

Additional description. Male. Head. Missing. Thorax. Brown, prescutellar and few lateral bristles strong and dark; scutellum with 4 longer marginal bristles; postpronotum bare. Wing pale; R1 = 2/3 R; R5 with dorsal macrotrichia only; y nearly = x, without macrotrichia; M-stem weak, without macrotrichia; M-fork weak, without macrotrichia, M-branches distally with macrotrichia and CuA1 with macrotrichia in the distal third. Haltere short, brownish. Legs yellowish; apex of fore tibia with a broad comb of hyaline bristles; spurs of middle and hind tibia equal in size, longer than width of apex of tibia; claws without teeth. Abdomen. With rather long, sparse brownish hairs. Hypopygium ventrally with a broad open base, without lobe or bristle patch; gonocoxites with short and sparse hairs on inner ventral margin; gonostylus with short apical tooth and 5‒6 slightly longer spines in the apical half (sometimes arranged in pairs), one smaller spine above the tooth; tegmen longer than wide; aedeagus short. Body length: 2.0 mm.

Comments. This species is characterized by macrotrichia on posterior wing veins (branches of M-fork and CuA1), yellowish legs with a broad comb of hyaline spines on the apex of fore tibia; elongated gonostylus with an apical tooth and longer spines within bristles of the same size in the apical half.

Distribution. Australia (New South Wales).