A medium-sized brownish black species with deep yellowish 

 brown thorax, wings tinged dark brown, legs black with distinct white 

 tibiae and a narrow frontal stripe. 



Female. Head broader than the thorax, with the hind margin 

 very slightly curved inwards. Frontal stripe deep yellowish brown, 

 narrow and contracting below, about seven times as long as its widest 

 part or about ten times as long as its narrowest part ; frontal callus 

 shining dark brown, long, narrow, not reaching the eyes with a linear 

 extension, which extends on the lower two-thirds of the frontal stripe ; 

 pubescence on the frontal stripe short, upwardly curved and conspicuous 

 black on all over but there are some short depressed inconspicuous 

 yellowish grey hairs intermixed ; vertex darker especially about the 

 ocellar part (without any tubercle), densely covered with short black 

 liairs which are slightly longer than those on the forehead. 

 Frontal triangle brownish yellow and quite bare from pubescence, 

 nearly flat, with a very fine longitudinal median sulcus and with two 

 or three irregular oblique furrows on its each side. Face in colour 

 similar to the frontal triangle, but covered with brownish black hairs 

 almost all over ; jowls in colour the same as face and clothed with 

 abundant longer rather shaggy black hairs which do not extend up to 

 the back of the head. Back of the head hollowed out but with a 

 narrow unequal bare rim against the eyes which is deep orange yellow 

 and is widest about the temple region, and behind which is an obvious 

 though short yellowish brown ciliation, but this ciliation is interrupted 

 at the vertex where there are some longer black Iriirs ; absolute back 

 of the head with soft yellow pubescence. Proboscis brownish black, 

 rather short with comparatively long sucker-flaps which are furnished 

 with long and short, blackish and paler hairs, the stalk bearing numerous 

 blackish hairs on the hind margin. Palj>i brownish yellow, long but 

 not reaching to the apex of the proboscis ; first joint rather small and 

 more than one-thirds as long as the second joint, darker than the base 

 of the following joint, and covered with very long black hairs ; second 



