294 DIPTERA OF AUSTRALIA, 



Hah. — Sydney, Wheeney Creek, and Knapsack Gully, Blue 

 Mountains, N.S.W. (Masters and Skuse), Common in December 

 and January. 



274. Ceratopogon ^qualis, sp.n. (PI. xiii., fig. 31). 



(J. — Length of antennae 0*035 inch ... 0*88 millimetre. 



Expanse of wings 0-060 x 0-017 ... 1-54 x 0-42 



Size of body 0-085x0-020 ... 2-14x0-50 



Antennae brown, plumes with a pale reflection. Head black. 

 Palpi ochreous-brown or fulvous. Thorax black or deep brown, 

 opaque, covered with pale yellow or whitish hairs ; pleurae and 

 pectus deep brown or black ; scutellum brown or brownish-black ; 

 metanotum black. Halteres whitish, yellowish or pale ochreous. 

 Abdomen about twice the length of thorax, deep brown, almost 

 black, densely clothed with long brownish-yellow hairs. Legs 

 ochreous-yellow, minutely darker at articulations. In fore legs tibia 

 rather more than twice the length of metatarsus. Wings longer than 

 abdomen, hyaline, densely covered with pale yellow hairs, with a 

 more or less brassy reflection. Costal and first two longitudinal 

 veins brownish. Auxiliary vein indistinct, apparently termi- 

 nating in costa immediately before tip of first longitudinal ; first 

 and second longitudinal veins terminating near one another, 

 reaching costa before base of fifth longitudinal fork ; inner 

 marginal cell obliterated by confluence of veins ; very indistinct 

 trace of fork of third longitudinal present ; middle cross-vein and 

 fourth longitudinal very pale, fork of latter with a short petiole, 

 branches slight divergent, tip of anterior one reaching margin at a 

 point nearer apex of wing than that of posterior branch ; anterior 

 branch of fifth longitudinal fork nearly straight, twice the length of 

 posterior branch. 



Hah. — Hexham Swamps, near Newcastle, N.S.W. (Skuse). 

 April. 



2. In hind feet metatarsus longer than second tarsal joint. 

 * Second longitudinal vein joining costa at or hefore middle of 

 anterior border. 



