Miss G. Ricaido on the Asilidae. 215 



'^ Black. Head )'ellow. Thorax yellow-liaired, with three 

 stripes. Abdomen with the three first segments yellow- 

 haired, all segments with a large black spot. Legs black. 

 Wings yellow. (PI. ix. fig. 2.) 



'' Length, J , 16 mm. 



" Face, moustache, beard, and hairs of palpi yellow ; some 

 black bristles on the border of the epistome. Genitalia 

 rather stout. Legs with black and whitish bristles ; pulvilli 

 yellowish white. 



" From East India." 



The chief difference seems to be the colouring of the 

 pubescence, which is yellowish, not reddish, and is not so 

 thick. 



Genitalia are larger, the upper forceps at their ends 

 inflated and truncate, rather notched, the underside of the 

 last segment is produced to a rather greater length. Abdomen 

 with black pubescence on sides and below. 



This male measures 20 mm. 



The figure by Macquart of the anus does not appear to be 

 correct. 



Promachus binghamensis, sp. n. 



Type (male) from Sikkim, 1903 {F. A. Midler'), presented 

 by Lt.-Col. Bingham. 



Type (female) from Sikkim, Darjeeling, 4. 01, Bingham 

 Coll., and a male from the same locality. 



A slender black species, with long yellow pubescence on 

 the legs and on the abdomen, more or less disposed as tufts 

 on the latter. Ovipositor long. Gentalia of male small. 



Length, S 2-1-27, ? 24 mm. 



Male. — Face with yellowish tomentum. Moustache com- 

 posed of fine yellow hairs and three or four l)lack ones above. 

 Palpi yellow-haired. Antenme with black and yellow hairs 

 on the first two joints. Forehead with long lilack hairs. 

 Thorax blackish with yellow tomentum as narrow lines, out- 

 lining the stripes; pubescence black. Scutelhun with black 

 fine bristles and fine yellow hairs intt rmixed. Abdomen with 

 the usual black spots and grey baiuls, the latter with yellow 

 hairs, which are thickest at tlie sides, disposed somewhat 

 tuft-like; the yellow pubescence is present on the black 

 spots, (reiiitalia black wiili black hairs, the u])per forceps 

 small, club-shaped, the lower pair short but »t(jut, the last 

 segment not produced but with a tuft of black hairs; ii 

 similar tuft is present on the lower pair of forceps and 

 black jmbescence on the upper pair; underside of abdomen 

 with long yellow hairs. Leys entirely black with long 

 yellow hairs on the underside of the femora and tibiie and 



