OXTCEEA. 55 



aagular spot on 3rd segment on each side-margin reaching from 

 anterior neai'ly to posterior margin ; a smaller oblong one placed 

 endways at middle of side-margin of 4th segment ; and a small 

 semicircular apical one on last (5th) segment; venter black, with 

 a little sparse pale pubescence. Legs black, with the following 

 parts yellow : tips of femora broadly and posterior pairs indis- 

 tinctly at base, front tibiae broadly at base, middle pair wholly 

 and hind pair narrowly at base and tip, also posterior metatarsi 

 and 2iid joint of hind tarsi ; all legs microscopically pubescent. 

 Wings colourless ; anterior veins and stigma pale yellowish ; 

 lialteres bright yellow. 



Length, 5 mm. 



Described from a single J in the Pusa collection from India, 

 probably from Mussoorie. 



Type presented to the British Museum. 



28. Oxycera albomicans, sp. nov. 



5 . Rend wholly bright sulphur-yellow. Frons and face fully 

 one-third of head, very slightly narrower at about middle of frons ; 

 frons rather broader on lower part; eyes bare; upper eye-m:irgins 

 of frons narrowly black; a thin line running from the corner of 

 each eye diagonally to vertex at each side of vertical spot ; an 

 elongate black spot on vertex, embracing the ocelli, pointed at 

 anterior end ; an oval or leaf-shaped one of moderate size in 

 middle of frons and a small elongate, vertically placed one imme- 

 diately above base of antennae ; the latter wholly brownish orange, 

 of normal size ; arista black ; lower sides of face (viewed from 

 above) with snow-white shimmer; mouth-region and proboscis 

 brownish orange ; postocular orbit \ ery broad, lower part with 

 whitish shimmering tomentum and microscopic pubescence; occi- 

 put black. TJiorax sulphur-yellow, microscopically punctate, with 

 very short yellow pubesc^^nce; dorsum with three longitudinal black 

 stripes, the median one slightly the widest and reaching front 

 margin, the side-stripes just failing to reach it — all three narrow 

 and united on hind margin ; a small black vitta jast above wing- 

 base. Lower part of thorax, front part of sternopleura and a 

 contignous triangular spot on mesopleura, black; pleurae and 

 lower part of thorax witli a little microscopic white pubescence. 

 Scutelliim yellow, with a little microscopic black pubescence ; 

 spines rather long, tips a little darker. Abdomen sulphur-yellow, 

 microscopically puiu'tate, emargi nations of segments very indis- 

 tinct; two broad black transverse bands, broader still in the 

 middle of each, lying apparently over the junctions of 2nd and 

 3rd segments and of 3rd and 4th segmenrs re-pectively, united 

 by a short black median stri])e ; the anterior transverse band 

 liroadly united to the convex side of a seniicircuLir band, which 

 lias its ends on the anterior corners of the 1st sey;ment, but just 

 failing to attain tlie actual margin ; hinder transverse band united 

 by a median black longitudinal stripe to an arched narrower black 



