i68 Records of the Indian Museum. [Voi,. VIII^ 



vertex ; the upper half barely shining, black ; ocelli distinct, red, 

 set on the surface of the frons, enclosed by a slightly impressed 

 line ; lower half of frons brownish yellow-dusted. The whole 

 frons with long soft black hairs, which towards and on the vertex 

 become dark brown. Whole underside of head, and face from 

 parallel with the antennae, yellowish pollinose, the central bump 

 dark brown (a little lighter in the centre), with a fairly wide black 

 stripe on each side of it. Some black hairs towards the sides of 

 the central bump, and a little short bright yellow hair on the other 

 parts of the underside of the head, including the two black stripes. 

 Antennae without any protuberance ; a small shining rich maho- 

 gany-brown triangle immediately above and contiguous to their 

 roots. The ist antennal joint shining black, the 2nd nearly 

 quadrate, viewed from in front, with a few stiff black hairs, 3rd 

 joint much wider than 2nd, twice as long, quite bare, dark 

 reddish-brown, oval, a little whitish dust on underside; arista 

 long, yellow, plumose above and below, the upper rays distinctly 

 the longer. Occiput ash grey, nearly whitish on ocular orbits, 

 which on the upper half of the head do not project beyond the 

 margin of the eyes themselves, but they do so on the lower half, 

 where they bear long white hair. 



Thorax. — Dull brownish, barely shining, and with the sides 

 brownish grey ; the whole rather thickly covered with 3'ellowish 

 brown hair. Scutellum brownish yellow, paler on hind margin ; 

 dorsum with brown hairs at base which become yellow and longer 

 towards the tip ; underside with a fringe of soft whitish yellow 

 hairs. 



Abdomen. — The ist segment whitish yellow, the remainder 

 blackish ; 2nd yellowish on anterior corners, 2nd, 3rd and 4th 

 with an uninterrupted rather narrow yellowish band just before 

 the middle and reaching the lateral margins or nearly so. All the 

 bands of the same width ; 5th segment all black. Some long soft 

 yellow hairs at the sides at the base. Surface of abdomen with 

 very short pubescence concolorous with the ground-colour; a 

 fringe of very short yellow hairs on hind margin of each segment, 

 most conspicuous on the 4th segment, and the extreme edges of 

 the segments themselves, brownish yellow. Genitalia consisting of 

 a short cylindrical tube, from which emerge two oval brownish 

 yellow^ lamellae. 



Legs. — Coxae black. Fore femora black, with a yellow streak 

 on hinder side, middle femora yellow, with a wide black streak on 

 front side, hind femora with basal half brownish yellow, and 

 apical half black ; all the femora with a little pale yellow hair ; 

 the hind femora with a number of stiff black bristles of different 

 lengths below, on apical half. Tibiae mainly black, fore pair at 

 base, and middle pair at base and tip yellowish ; hind tibiae 

 black ; all tibiae w4th close pubescence, which is brownish yellow 

 on the front side of the fore tibiae, and whitish on the hinder side, 

 where it is much longer ; hind tibiae with very short pubescence 

 w^hich is black in front and whitish on hinder side. Tarsi black or 



