Miss G. RiQardo on the Asilidje. 173 



long strong yellow bristles forming a double row. Abdomen 

 with the usual dark spots and yellow bristly hairs on the 

 posterior borders of st-^ments and on the first segment ; 

 hairs on tiie spots black, at sides yellow. Genitalia black, 

 slender, club-shaped, the under iamellaj small but nearly 

 half the length of the upper ones, the underside of the last 

 segment produced somewhat and fringed with short black 

 and yellow hairs. Pubescence on genitalia black, with a 

 tuft of white hairs above. Legs xanthine-orange, with short 

 white or yellow pubescence and black bristles; the black 

 colour is confined almost wholly to the apices of femora 

 and ti])ire, but the tarsi are wholly black, fore and middle 

 coxai each armed with one black bristle. Wings clear with 

 reddish-yellow veins. 



Female identical, but the pubescence on the black abdo- 

 minal spots is yellow. Ovipositor about the length of the 

 last segment. 



Promachus rufescens, sp. n. 



Type (maje) from Sierra Leone, 58-166, and another 

 male. 



Tvpe (female) from Moyamba, Sierra Leone, Feb. 2Q 

 (G. C. Dudgeon), 1906, 67. 



This species might possibly be identical with Asilus 

 scutellatus, Macq., descriI)edfrom Senegal. A small blackish 

 species with reddish-yellow legs, reddish thorax, and scu- 

 tellum covered with ijrevish-vellow tomentum. Genitalia 

 M'ith a very small tuft of wliite hairs. 



Length, ^ 15, ? 17 mm, 



Male. — Face covered with glistening yellow tomentum. 

 Moustache of scanty yellowish hairs. Palpi black with 

 yellow bristles. Beard white. Antennce black. Forehead 

 with black hairs. Hind part of head with black bristles, 

 some yellow ones intermixed. Thorax brownish with darker 

 stripes; shoulders, sides, and |)Osterior part of dorsum 

 reddish, covered with yellowish tomentum ; pubescence 

 black, some yellow hairs at sides ; bristles black. Scutellum 

 reddish with yellowisli tomentum, and covered with fairly 

 numerous long whitish hairs, one or two black bristles 

 present. Abdomen reddish, \\ith whitish-yellow tomentum 

 and the usual large black spot on each segment ; pubescence 

 black, whitish on the liglit parts ; underside paler, with 

 white hairs. Legs reddish yellow, the femora with a black 

 stripe above and darker altogether ; pubescence on legs 

 white, thick ; bristles black, with yellow ones intermixed oii 



