﻿Bomhyliidae {Diptcra) from Central Africa. 6-17 



near the hind margin of the segments ; last segment with a very 

 dense marginal black fringe. Genitalia of the male of larger size, 

 red, with yellow hairs ; genitalia of the female with red spines. 

 Legs dark reddish, but the tarsi and the hind femora are darkened ; 

 claws red at the base, with a red tootli ; bristles and pubescence black. 

 Wings hyaline, with yellowish veins, which are darkened only near 

 the end ; basal comb very large, dark reddish and with a short black 

 fringe ; the base and the costal cell brownish ; the subcostal and the 

 first basil greyish ; the small cross-vein and those on the base of fourth 

 and third posterior cells (this last only near the extreme base) are 

 narrowly margined with fuscous. First posterior cell a little nar- 

 rowed at the end, the three others of almost equal width ; the first 

 posterior cell is very narrowed near the base ; the nervure dividing 

 the discal from the third posterior cell is very sinuous ; small cross- 

 vein placed in the middle of the discal cell. 



Type ^ aud Ç, and three additioiical specimens from 

 North Nyasn, near Deep Bay, October 8 and 4, 1909 {Dr. 

 J. B. Davey) ; another Ç specimen from Nyasa, October 21, 

 19 lU {ni\J. E. S. Old). 



66. Bxo'prosopa stannusi, sp. nov. (Phate L, fig. 23.) 



^ . Length of the body (of 5 specimens) 15-16 nnn., of the wing 

 14-15 mm. 



A species also near E. major, but witli red legs ; distinguished 

 from the preceding by the smaller size and the black antennae. 



Head black, reddish only on the face, on the lower portion of the 

 frons and along the margins of the mouth ; hairs of the face yellow, 

 those on the frons black ; antennae short, black, the first joint 

 clothed with black hairs ; the third greyish, conical, with the style a 

 little shorter. Proboscis black. Thorax black, with yellowish hairs 

 and some black hairs in the middle of the back ; bristles black ; 

 squamulae yellowish and with a yellow fringe ; haltères whitish. 

 Scutelluni black, with black marginal bristles. Abdomen yellowish- 

 red, with grey pubescence ; venter concolorous ; a broad median 

 black stripe which extends from the first to the sixth segment ; 

 moreover there are black cross-bands, with black tomentum at the 

 hind margin of the segments ; the hairs along the sides are pale, but 

 there is a tuft of black hairs on a line with the black cross-band of 

 each segment ; last segment with a black fringe. Genitalia red, 

 with yellow and black hairs. Legs paler yellowish-red, the tarsi 

 darkened and the claws with a red tooth ; knees black ; bristles 

 black, but the tomentum is yellowisli. Wings greyish hyaline, the 

 base and the fore border to the fourth longitudinal vein, extending 



UU 2 



