434 Miss G. Ricardo on the Asilida?. 



and long, a few weak wliitisli liairs appear among them and 

 also at sides of mane. Scutel/it/n black with a bunch ot" 

 whiti>h hairs in the middle and long strong black bristles on 

 dorsum and on posterior border. Abdumeu with a large 

 black spot on each segment and greyish tomentum at sides 

 and on dorsum ; bristles at the segmentations black and 

 about three deep ; the pubescence short, white; underneath 

 with long weak whitish hairs and black bristles, ijcuitulia 

 sidning black, long ; the upper forceps slender, drawn out to 

 a long point, stout on their basal half, and with a curved 

 lower edge thickly covered with white hairs ; under lamelhe 

 short, stout, with short black pubescence. Legs blackish or 

 bronze-coloured, the tibiie very obscurely reddish at their 

 base, with long black and white hairs and short white 

 pubescence and stout black bristles ; the femora with long 

 weak black and white hairs and black bristles, and some 

 short Mhite pubescence on their upper edges ; tarsi blackish 

 or obscurely reddish with white pubescence and black hairs 

 and bristles. ]Vinys clear, veins blackish, the small tians- 

 verse vein beyond the middle of the diseal cell. 



Di/smachus viontanus, sp. n. 



Type (male), type (female), both from Mt. ^Mlanje, 

 Nyassaland, 19. ix' 1913 {S. A. Neave), in I. E. E. Coll. 



A small dark species Avith a well-marked black mane and 

 ])lack and white moustache. Pubescence on abdomen and 

 legs chiclly white, and son)e white bristles on the legs. 



Length, c? 13, ? 14 mm. 



Male. — Face with glistening white tomentum. Moustache 

 composed of stout black and white bristly hairs, the white 

 hairs chiefly on Uj)])cr pait intermixed with black. Antetiiue 

 blackish brown with chicHv M'hite hairs on the first two 

 joints, the third with rather a long arista. Beard white. 

 Foreliead w\i\\ white hairs near antcnnse and l)hick bristles 

 beyond. The cuilcd bristles at back of head black and very 

 long and stout, round the head with white hairs. Thorax 

 metallic brown with two well-marked dark stripes and with 

 some grey tomentum ; the mane consists of black hairs and 

 numerous longer outstanding black biistlcs ; tlie jira-sutuial, 

 supra- and postalar bristles all two in nunibtr and black ; 

 pubescence on dorsum short, white. Scutelluui Avitli a bunch 

 of white hairs on each side and two in the centre, two stout 

 black bristles on posterior mai'gin, and another row of three 

 or four in front of them. Abdomen blackish blown \\\i\\ 

 white tomcntose segmentations, most noticeable at the sides; 



