359 ]iJiss G. Ricardo — A Revision of 



underside black. Legs long^ fairly stout, blue-black ; the 

 coxae with brown tomentum and black hairs, some white 

 hairs on the anterior and middle ones ; the femora with 

 black pubescence, on their upper sides some fine white 

 pubescence, which is thickest on the hind pair and extends 

 below, a few yellow bristles appear on these last ; tibiae 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.l 



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

 land [Bancroft). 



A black, robust, but smaller species than C alhohirta^ to 

 which it is closelj^- allied ; distinguished from it by the 

 moustache being almost wholly white in both sexes, but 

 chiefly by the white-haired bands of abdomen only being 

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

 pnbescence. 



Length, $ 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. 

 Anteume 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. For^e/i eadhlackish, 

 with yellowish-grey tomentum and white pubescence, a few 

 black hairs intermixed, more numerous in the female. 

 Back of head with white hairs. Thor-aw 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 with black hairs, the last two segments 

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

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

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

 paler at base and on posterior border ; neuration as in 

 C. albohirta. 



