the A.siliJtp of Aufitralasia. 475 



AValker's type a male from New South Wales. 



In Brit. Mus. Coll. are females and a male from Burpen- 

 gary, S. Queensland [T. L. Bancroft), 1904. 



A small species, with clear wings, yellowish legs, thorax 

 and abdomen black. 



Length 9-10 mm. 



In Macqi;art^s type the legs are somewhat darker than in 

 those of Walker's type. The first two joints of the antenna in 

 Macquart's type are reddish, not black as stated, and tin; 

 small transverse vein of the wine/ is in the middle of the discal 

 cell, not very near the base as shown in figure. 



Macquart's description is as follows : — 



Length 5 lines. (^ . 



Palpi with white hairs. Beard and moustache white ; 

 face with yellowish tomentum. Forehead brown. Antennge : 

 the first two joints black (in reality reddish), the third 

 wanting. Abdomen : anterior and posterior borders of 

 segments ashy grey. Legs fawn-coloured, with coxae grey ; 

 some black colour on the anterior and middle legs ; poste- 

 rior legs wanting. Wings clear. From Tasmania. 



To this the following particulars may be added : — Thorax 

 greyish, with three black short stripes. Knees of tegs nar- 

 rowly black, apices of tarsi also black ; bristles on the last 

 four tarsi and on the apex of the first hind tarsus black, 

 elsewhere pale yellowish. The small cross-vein of the iving 

 is at or slightly below the middle of discal cell and the fourth 

 posterior cell is pedunculated at its base ; the cross-vein 

 closing the second basal cell joins the pedunculated part at 

 about the middle. The wings are shorter than the body, 

 measuring 5-6 mm. 



Leptogaster antipoda, Bigot. 



From Tasmania. 



Described as having testaceous legs, the posterior femora 

 widely brown at base, with another narrower brown band 

 before the apex. 



Leptogaster bancrofti, (^ ? , sp. n. 



Tvpe ((J) from Mr. French's Coll., Victoria (1898). 



Type ( ? ) from Queensland (1909) {Dr. Bancroft). 



A black species with yellowish legs, but the hind legs 

 darker, almost wholly black. Wings clear, the small cross- 

 vein at the middle of discal cell, and the cross-vein closing 

 second basal cell also joining the stalk of fourth posterior 

 cell at about the middle. Length 12 lum. ; wings 6-7 mm. 

 Face covered with' greyish tomentum, the moustache yellow. 

 Anten?ice black. Fore//ecf/ the same as face. Thorax red(\\>h 



