Cratyna (Cratyna) pullata Mohrig & Kauschke, 2017

Mohrig, Werner, Kauschke, Ellen & Broadley, Adam, 2017, Black fungus gnats (Diptera: Sciaridae) of Queensland, Australia. Part I. Genera Chaetosciara Frey, Corynoptera Winnertz, Cratyna Winnertz, Epidapus Haliday, Keilbachia Mohrig, Lobosciara Steffan, Phytosciara Frey and Scatopsciara Edwards, Zootaxa 4303 (4), pp. 451-481 : 462-464

Cratyna (Cratyna) pullata Mohrig & Kauschke sp. n.

( Fig. 9 A–B)

Type locality: Australia, Queensland, Mt Lewis , 37 km WSW of Port Douglas, 16°35´S, 145°16´E, wet tropics. Holotype: Male, 29.vi.1997, Malaise trap, leg. J. Seymour ( PWMP).

Description. Male. Head. Dark. Antennal flagellomeres covered rather densely with bristle-like hairs, necks rather short; 4th flagellomere with l/w index of 3.0, hairs longer than the diameter of the basal node, necks about 1/ 3 of the length of the basal node, brown. Palpus short, 2-segmented; basal segment larger, with 1–2 bristles and a patch of sensillae. Thorax. Brown. Scutum with rather long hairs, with some longer prescutellar and lateral bristles; scutellum with 4 longer marginal bristles. Postpronotum with a few short hairs. Wing somewhat brownish, R1 as long as R, joining C before the M-fork; R5 with ventral macrotrichia in the distal half; y = x, with 3–4 macrotrichia; M1 and M2 weak, posterior veins without macrotrichia. Haltere short, brownish. Coxae and femora yellowish, tibiae and tarsi darkened; legs rather long; fore tibia with a large patch of dark bristles at the apex; spurs of middle and hind tibia equal and longer than the diameter of the apex; claws without teeth. Abdomen. Brown. Hypopygium brown; gonocoxite short and as long as gonostylus, with a rather long, robust bristle on the ventral apex, the inner ventral margin with rather long hairs; gonostylus large, the inner side strongly concave and with two pairs of widely separated hyaline spines, the uppermost on a lobe-like protuberance. Tegmen wider than long, rounded, with an inner semicircular structure. Aedeagus short. Body length: 2.5 mm.

Comments. The species is characteriZed by a brown body colour and yellowish legs, 2-segmented palpus and a compact gonostylus, with a waist in the middle on the inner side and two widely separated pairs of hyaline spines. It differs from Cr. flavothoracica sp. n. because the flagellomeres have shorter necks and much shorter hairs.

Distribution. Australia, Queensland.

Figures

FIGURE 9. Cratyna (Cratyna) pullata Mohrig & Kauschke sp. n. A. Hypopygium; B. Flagellomeres 4 – 5.