174 Miss G. RicarJo on the AsiliJie. 



tlie tibiie, imder side of femora, and on tarsi. Genituliu 

 black, testaceous below ; pubescence wliite, tbe last segment 

 below produced to a largo triangular piece wliolly reddisb 

 with black hairs ; the u})per lamella long, club-shaped. 

 IVings clear, with yellowish veins. 



Female identical. Ovipositor long, composed of the last 

 three segments, black. 



Promachus poetinus, Wlk. 



List Dipt. ii. p. 390 [Asilut'] (1849) ; et vii., Suppl. 3, p. 597 [Tnipanea] 

 (1865); Loew, Dipt. Sudafrik. i. p. 127 (1860), 



Type (male) from Sierra Leone. 



A female from Sierra Leone, presented by Rev. D. E. 

 Morgan. A series of males and females from Bokani and 

 from Boto, N. Nigeria (J. J. Simpson), 1912, 4G0, in Brit. 

 Mus. Coll. 



A. series of males and females from Yapi, Gold Coast 

 Territories, Nov. 191G (J. J. Simpson). One female from 

 Cotouon in Dahomey, 70 miles west of Lagos (IF. A. Leon- 

 borne), 31. v. VJU. 



A species very similar to P. flavopi/osns, sp. n., from 

 Uganda, but the pubescence on legs and al)d()men is not so 

 thick or so bright-coloured. Scutellum has sonaetimcs black 

 bristles besides the yellow hairs. Moustache whitish and 

 black. 



Length, S 19-25, ? 23-25 mm. 



Male. — Face with yellowish tomentum. We moustache 

 composed of black bristles intermixed with line white hairs, 

 which arc also present between the moustache and the base 

 of the antennae. Palpi with whitish-yellow hairs. Antotna- 

 deep black, the first two joints with black hairs ; the arista 

 one and a half times as long as the third joint. Forehead 

 with black bristly hairs. Hind part of head with wliite 

 hairs, and four more short black bristles on each side. 

 Thorax with white hairs anteriorly and on the breast-sides, 

 elsewhere with black pubescence ; priesutural bristles three, 

 snpra-alar three, one being a weak bristle, post-alar two, 

 some of these bristles arc often yellow. Scutellum with 

 many yellow hairs, those on the outer border more bristly, 

 in the type no black ones are i)rcseiit. Abdomen with short 

 yellowish pubescence and rather longer hairs at sides ; 

 underside with soft yellowish hairs. Genitalia black, shining, 

 long, and clul)-sha})ed ; the under lamellie also long, more 

 than half as long as the upper ones, all with scanty yellow 

 piibobcence. L<^'ijs .xanthine-orange, the fore and middle 



