the AsiVid^ of Australasia. 441 



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

 black hairs; underside of abdomen black, covered with 

 grey tomentum. Leffs red, knees and tarsi black, bristles 

 chiefly black. Pubescence white on fore coxse and femora 

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

 hairs. Wings tinged slightly yellow, greyish at apex and 

 on fore border; neuration as in Neoaratus hercules ) small 

 transverse vein just below middle of discal cell. 

 Length of specimens 25-27 mm. 



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 thorax, described as reddish, is denuded ; the 

 third joint oi antennce 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 t]i,orax ; reddish legs; 

 icings 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. Antennae long, 

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

 third joint with a long arista. Forehead same colour as face, 

 with black pubescence ; on vertex and round head the hairs 

 are Avhite. Beard white. Thorax black, with grey tomeu- 

 tose stripes and markings, and rather long black pubescence 

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

 above and greyish pubescence below. Scutellum 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 and 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 tibise, and all tarsi black, tiie femora black on their 

 upper outer borders ; pubescence on coxae and under part of 

 femora whitish, on tibiae short and whitish, all bristles black ; 

 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 



