134 leftidje. 



hairs ; v T enter concolorous. Legs dark brown ; fore coxse and fore 

 femora wholly, posterior femora towards the tips, pale ; knees 

 black ; all coxae with black hairs ; hind tibiae with two pale yellow 

 spines at tip. Whigs blackish brown ; stigma in marginal cell, 

 elongated, deep black, extended to costa on the outer side of a 

 short, bright yellow stripe which intersects it in the middle, this 

 stripe also reaching to the costa ; there is a pale parti-coloured 

 irregular spot (yellowish and pale grey) at the distal end of the 

 1st basal cell, and extending below into the 2nd ; posterior border 

 of wiug fading into light grey, the veins in this part being nar- 

 rowly suffused with black ; halteres pale yellow. 



Length, 5 mm. 



Described from a perfect S in the Indian Museum from Madda- 

 thorai, Travancore State, South India, 18. xi. 1908 (Annandale). 



94. Chrysopilus opalescens, sp. nov. 



2 . Head with frons shining black {type) or dark brown 

 and less shining ; ocelli dirty pale yellow with a central black 

 spot, tubercle dull blackish ; a few short black bristles across 

 vertex ; face less shining than frons, dark ; proboscis similar, with 

 hoary dust; labella large, yellow ; palpi black, with a few bristles ; 

 antennas all black, with black arista, 3rd joint shortly conical, with 

 rather longer pubescence than usual ; occiput grey-dusted, with 

 short yellow bristly hairs and some whitish pubescence behind 

 lower eye-margin. Thorax and scutellum brownish yellow ; pleurae 

 a little paler ; thoracic dorsum with traces of three brown stripes 

 {type) or without them. Abdomen brownish yellow, 1st segment 

 all yellow, or darkened in middle; 2nd, 3rd, and 4th with a broad 

 median dark brown band, enlarged broadly across the hind margin 

 of each ; remaining segments very narrow, more or less brownish 

 above ; venter and genitalia mainly yellow. Legs yellow, tibiae 

 dark dirty yellow, tarsi darker. Wings pale yellowish, with 

 distinct bluish opalescent spots placed as follows : two transverse 

 rows across the wings, the inner row formed by a spot in the 

 1st submarginal cell before forking of 3rd vein, a second in discal 

 cell, a third in 5th posterior cell; the outer row by a spot towards 

 end of 1st submarginal cell, one towards end of 1st posterior cell 

 and one towards tip of 4th posterior cell ; the wing-tip is occupied 

 by another opalescent spot extending across the two submarginal 

 cells and the 1st posterior cell; there is also a similar spot in the 

 centre of the anal cell and another near base of costal cell, thus 

 making nine spots in all; halteres yellowish. 



Tjength, 4|-5 mm. 



Described from a type and two other 2 2 in the British 

 Museum from Pundaluoya, Ceylon {E. E. Green). 



Taken in the same locality by Mr. Green is a d in the British 

 Museum possessing the same two transverse rows of opalescent 

 spots, the other spots not being obvious (the wings being slightly 

 damaged). The thorax, scutellum, and abdomen are blackish, 



