384: I^Iiss G. Tticavdo on the Asilidre. 



and bristles only; the posterior border of thorax also with 

 weak yellowish bristles each side of the median stripe. 

 Mane of not very long black hairs with few outstanding 

 bristles. 



Length, cf 15-17, ? 15 mm, 



Male. — Face covered with glistening yellowish tomcntnm. 

 Moustache composed of long yellowish hairs, l)()rdered with 

 l)laek ones, reaching the antennae. Beard white. Antenuee 

 Avith the first two joints blackish, the third wanting. Fore- 

 head with long stout black bristly hairs, the curled bristles 

 behind long and black ; below them in the centre are 

 numerous yellowish hairs. Thora.r blackish covered with 

 yellowish-brown toraeutura and a well-marked median strij)e 

 and short side-stripes ; pubescence very scanty, blackish, 

 the three supra-alar bristles are yellow. ScuteJlum with long 

 weak yellow bristles and shorter hairs. Abdomen blackish 

 with a large dark brownish spot on each segment, sides with 

 grey tomentum ; pubescence on dorsum is short but rather 

 thick, yellow in colour ; underside with straggling long 

 whitish hairs. Genitalia large, stout, black, and shining, the 

 under pair of pincers proceeding immediately from the 

 under black plate are short, obtuse, testaceous, these and 

 the upi)er pair with long yellow pubescence, a few black 

 hairs intermixed. Leys with the posterior femora thickly 

 covered with short whitish-yellow pubescence, and longer 

 hairs below, strong yellow bristles on underside, and a few 

 black ones above ; middle and anterior j)air with less pubcs- 

 eenee ; tibiai with hnig and short yellow hairs and black 

 bristles, those on the fore pair chiefly long, yellow, and weak ; 

 fore tarsi with some yellow bristles. llVn^* clear, shaded at 

 apex and on posterior border, the small transverse vein below 

 the middle of the diseal cell. 



Female identical. Hind tibiae with some yellow bristles. 



J)l/smachus Jlavopilosifs, sp. n. 



Tvpe (male), tvpe (female) from Willow Grange, Natal 

 {11'.' C. IVrout/hloH), in I. E. E. Coll. 



Other males and females from Ilowiek, Natal (.7. P. Crrgoe), 

 19()1-, -iG, in Brit. Mus. Coll. 



One male and one female from iSIfongosi, Zululand 

 {IF. E. Jones), and Krantzkopf, Natal, in the Cape Coll. 



iMales and female from Tretoria, 28.12.1912 (//. K. 

 Munroe), 19 14, 2(;;5. 



There are bristles on the abdomen, but none below; in 



