tlie Asilidre of Australasia. 359 



underside black. Legs lonj?, fairly stout, blue-black ; the 

 coxte with brown tomentum and black hairs, some Avhite 

 hairs on the anterior and middle ones ; the femora -with 

 black pubescence, on their upper sides some fine white 

 imbescence, which is thickest on the hind pair and extends 

 below, a few yellow bristles appear on these last ; tibise with 

 dense white pubescence and with black bristles, the hind 

 pair with a few yellow ones ; the tarsi with chiefly black 

 pubescence and bristles, but some white pubescence and a 

 yellow bristle on first joint of posterior tarsi. Wings tinged 

 brown, the subcostal cell ending in a point, the anterior 

 branch of the third vein curved, the cross-veins closing the 

 discal and fourth posterior cell almost in a line. Halteres 

 yellow. 



Clariola nigrescens, ^ ? , sp. n. 



Type c?, type ? , and three other males from S. Queens- 

 land [Bancroft). 



A black, robust, but smaller species than C albohirta, to 

 which it is closely allied; distinguished from it by the 

 moustache being almost wholly white in both sexes, but 

 chiefly by the white-liaired bands of abdomen only being 

 present on the first two segments, and the apex with white 

 pubescence. 



Length, S 14 mm., ? 15 mm. 



Face covered with whitish tomentum, yellower at the 

 sides ; moustache wholly whitish ( c^ ), white, the oral opening 

 bordered with black bristly hairs ( ? ) ; beard white. 

 Antenna black, the first joint with long white hairs below 

 and a few short black ones above, the second joint with 

 black hairs above and below and a black bristle on its upper 

 side at apex ( ? ), two in the male; the spine on the tooth 

 on upper edge is here plainly perceptible. ForeheudhltnAdah, 

 with yellowisli-grey tomentum and white pubescence, a few 

 black hairs intermixed, more numerous in the female. 

 Back of head with white hairs. Thorax shining bluish black, 

 with short white pubescence anteriorly, elsewhere black. 

 The white bands on abdomen are situated on posterior borders 

 of segments ; abdomen convex, finely punctured, sides after 

 the second segment witli black hairs, the last two segments 

 with white hairs. Legs blue-black, all the bristles black ; 

 the posterior tibise with a dense white fringe of hairs below, 

 otherwise similar to those of C. albohirta. Wings blackish, 

 paler at base and on posterior border ; neuration as iu 

 C. albohirta. 



