19(i 



a rather conspicuous tuft of long blackish hairs about the lower margin. 

 Scutellum triangular, concolorous with the hind part of the thorax, 

 coverd with rather long sloping blackish pubescence with a few yellow 

 hairs intermixed. Pleurae uniformly covered with a greyish white 

 dust, with abundant rather long greyish hairs which become longer and 

 denser above, on the metapleurae and prothorax, and on the hind 

 margin of the mesopleurae there are conspicuous greyish white tufts ; 

 between the notum and pleurae there is a right-angled yellowish brown 

 elevation from the hind corner of humerus to before the wing base, 

 the part bearing a very few whitish hairs. 



Wings large, slightly shorter than the length of the body, glassy,, 

 somewhat greyish, with yellowish veins but costal and ambient veins 

 slightly dark ; stigma yellowish ; discal cell rather small, shorter than 

 the second postical cell but wider ; the upper branch of the cubital 

 fork without veinlet ; posterior cells all wide open, not contracting at 

 the margin; anal cell closed long before the margin. Squamae greyish, 

 »vith the dark brown margin and with a very fine brownish fringe 

 which grows into the usual long yellowish tuft about the angle ; 

 thoracal pair somewhat yellowish with a yellowish brown margin and 

 a pale fringe. Halteres yellowish brown with pale stalk and tip. 



Legs black, more or less covered with a greyish dust ; coxae 

 conspicuously obscured by a whitish tomentum, and furnished with 

 greyish hairs which on the front pair conspicuously become longer 

 and fairly abundant ; trochanters yellowish brown ; femora black with 

 pale brown tips ; tibiae yellowish except about the apical one-third of 

 front pair blackish, and about the tip of two posterior pairs brownish ; 

 tarsi blackish brown but in the front pair deep black ; pubescence on 

 the front femora mainly blackish, rather numerous, longer though 

 rather sparse on the outside, and shorter but dense on the upper and 

 inner sides, at the upper-outer margin there is a rather inconspicuous 

 very sparse ciliation of white hairs, this ciliation being not extend 

 through the whole length but only basal two-thirds, and with a rather 



