223 



white soft hairs not intermixed with black ones ; ptaealar calli not 

 very conspicuous, covered with abundant long somewhat curved >lack 

 pubescence which becomes rather sparser on the upper half at where 

 it is intermixed with short recumbent yellowish hairs ; postalar calli 

 haired as on the disc and bearing a long shaggy yellowish white tutt 

 on the postero-outer margin, the similar but shorter and less conspicu- 

 ous one just above the base of the wing ; pleurae much greyer than 

 the thorax, clothed with numerous "pale yellowish grey soft pubescence 

 which becomes conspicuously longer towards the sides, and which on 

 the mesopleurae is intermixed with similar but black conspicuous hairs 

 especially on the postero-upper third ; prothorax bearing abundant long 

 whitish soft hairs, which at the postero-upper margin of the meso-, ptero-, 

 and meta-pleurae there are long dfoise pale yellowish grey tufts. Scu- 

 tellum as the thorax, but the black pubescence longer, and on the 

 margin there is a rather short but not dense and not conspicuous 

 yellowish tuft. 



Wings clear but the costal and subcostal cells yellowish, with 

 yellowish brown stigma and with the veins brown or parti)' yellowish 

 brown, usually as long as the thorax and abdomen together ; posterior 

 cells all widely open, the discal cell apparently longer than the first 

 posterior cell, and the anal cell closed before the margin ; upper branch 

 of the cubital fork without the recurrent veinlet. Squamae in the alar 

 pair pale grey with a blackish margin and a very short inconspicuous 

 blackish fringe excepting of a dense long yellowish white tuft about 

 the angle, in the thoracal pair pale yellowish grey with a pale brow- 

 nish yellow margin and an inconspicuous whitish fringe. Halteres 

 yellowish brown, with the knob dark brown, but its top more or less 

 whitish. 



Legs black, with the extreme tip of the femora and almost all 

 the tibiae pale reddish brown or dull brownish and with the two 

 posterior pairs of the tarsi dark brown, while the apical half of the 

 front tibiae and all the front tarsi blackish brown ; front coxae mode- 



