the Asilidse of Australasia. 441 



small, the genital organs rather large, swollen, black, with 

 black hairs; underside of abdomen blac^k, covered Avith 

 grey touientum. Legs red, knees and tarsi black, bristles 

 chiefly black. Pubescence white on fore coxje and femora 

 below, where it is long, short elsewhere witii some black 

 hairs. Jl'itigs tinged slightly yellow, greyish at ajjcx and 

 on fore border; neuration as in Neuaratus /lercn/es ; small 

 transverse vein just below middle of discal cell. 

 Length of specimens 25-27 inm, 



Asilus rubrithorax, Macquart. 



A male seen by me in Paris Museum, 12. 4. 11 ; not the 

 actual type, which is said to be in very bad preservation, but 

 this specimen one of a series of specimens of the species. I 

 also saw a female. A specimen I took for comparison is 

 identical. The //?o?-flcr, described as reddish, is denuded ; the 

 third joint oi antenna is reddish above. 



In Brit. Mus. Coll. specimens from New South Wales. 



A species with blackish abdomen, covered with grey 

 tomentum ; black and yellow striped thorax; reddish legs; 

 wings clear. 



Length 28 mm. 



Face black, covered with greyish tomentum ; tubercle 

 large and prominent on lower part of face. Moustache of 

 black bristly hairs, with long yellow ones below round mouth. 

 Palpi with long yellowish and black hairs. Antennce long, 

 black, the first two joints with yellowish and black hairs, the 

 third joint with a long arista. Forehead ^a.me colouras face, 

 with black pubescence ; on vertex and round head the hairs 

 are white. Beard white. Thorax black, with grey tomcn- 

 tose stripes aud markings, and rather long black pubescence 

 on dorsum ; sides black, with grey tomentum, black bristles 

 above aiul greyish pubescence below, Scute/lum covered 

 with greyish tomentum and with yellowish and some black 

 bristles. Abdomen blackish, with yellowish-grey tomentum 

 and black pubescence and with yellow bristly hairs on 

 posterior borders of segments at sides aud whitish pubes- 

 cence on sides ; underside same colour, with whitish pubes- 

 cence ; genital organs in male prominent, black and fulvous ; 

 ovipositor in female distinct. Legs deep red, the knees, 

 apices of tibiae, and all tarsi black, the femora black on their 

 upper outer borders : pubescence on coxae and under part of 

 femoi a whitish, on tibiaj short and whitish, all biistles blaak ; 

 posterior femora armed with row of short black bristles. 

 IVings hyaline, grey at apex, veins brown; the second poste- 

 rior cell bulging somewhat into the first posterior cell, but 



