612 DIPTERA OF AUSTRALIA, 



Palpi dark brown or black. Front brown ; tlie ocelli situated on 

 a black spot. Thorax brown, levigate, sometimes with three 

 indistinct, narrow dark brown stripes to the scutellum ; covered 

 with black hairs ; lateral borders setiferous ; pleurse pale ochreous ; 

 scutellum brownish-ochreous or pale brownish ; metathorax deep 

 brown or black. Halteres yellow, the club sometimes slightly 

 infuscated. Abdomen black, somewhat shining, the first segment, 

 the incisions, and a more or less distinct lateral spot on the fourth 

 segment, yellow ; clothed with black hairs ; venter and genitalia 

 ochreous or brownish-ochreous. Coxae and fore and intermediate 

 femora yellow, the latter rather greyish on account of their 

 pubescence ; hind femora dark brown ; tibiae cinereous ; tarsi 

 black. Tibial spurs black. In the fore-legs the tarsi more than 

 twice the length of the tibiae ; the tibiaa somewhat longer than the 

 metatarsal joint. Wings hyaline, with a brown fascia before the 

 middle, and the apex entirely infuscated ; brilliantly iridescent ; 

 veins dark brown. Costal vein extending beyond the tip of the 

 third longitudinal vein less than -J the distance from that to the 

 tip of the anterior branch of the fork ; auxiliary vein joining the 

 costa about opposite the middle of the marginal cell ; sub-costal 

 cross-vein immediately before the marginal cell ; the latter very 

 little longer than wide ; a supernumerary longitudinal \'ein or 

 incrassated wing-fold from the inner end of the first posterior cell, 

 not reaching the margin, running nearer to the fourth than to the 

 third longitudinal vein ; petiole a little shorter than the posterior 

 branch of the fork ; the latter with the branches straight, divari- 

 cate ; base of the fork of the fifth longitudinal vein situated a 

 little before the proximal end of the first posterior cell. 



Hab. — Dunoon, Richmond River, N.S.W. (Helms). March 

 and April. Specimens taken in copuld. 



Stenophragma, gen.nov. 



Homaspis iinceoc. Forster, Hym., 1869), Sk., l.c , p. 1191, pi. 

 XXXI., figs. 9-9b. 



