On the Bombyliid Fauna of Soutli Africa (Dijptera). 23 



18 (15). No spots along the hind border and at end of the anal cell; smaller 



size ....... braunsi, sp. nov. 



19 (14). Marginal cell entirely brown, without hyaline spot at end; no spots 



on the hind border, nor at end of small cell ; abdominal bristles 

 dark yellow ; species of very small size . . punctatellus, sp. nov. 



20 (13). Marginal cell broadly hyaline at end . . punctifer, sp. nov. 



21 (12). Spines of the legs dark yellow ; abdominal bristles yellow, and hardly 



longer than the hairs ; peristomial comb yellow, or rarely black in 

 part. 



22 (23). Marginal cell filled with brown to the end; the cross-vein between 



the discoidal and the second posterior cell is not marginated with 

 brown ...... pentaspilus, sp. nov. 



23 (22). Marginal cell entirely hyaline ; the above-named cross-vein is mar- 



ginated with brown .... obesus, sp. nov. 



24 (1). Scute! him red ; bristles of the genae often wanting; basal comb of 



the wings usually yellow or white ; wings entirely hyaline, mainly 

 without any dark pattern, or with alight yellowish tint near the base 

 and along the fore border, or with very small and less distinct fuscous 

 spots on the cross-veins. 



25 (28). Genae with some strong yellow bristles, which form the iisual 



peristomial comb of all the preceding species ; body mainly yellow- 

 haired. 



26 (27). Scutellum entirely red behind; discoidal cell without a prominent 



angle below ..... spinibarbus, sp. nov. 



27 (26). Scutellum with a black hind border; discoidal cell with a prominent 



angle inwards, and there provided with a stump, angulosus, sp. nov. 



28 (25). Genae without distinct bristles, but if they are rarely distinct, the 



body is mostly white-haired. 



29 (34). Frons of female of the usual moderate breadth; wings usually not 



punctate. 



30 (31). Scutellum with a broad black hind border; wings rather infuscated 



and punctate, with a black basal comb . . nigripecten, sp. nov. 



31 (30). Sciitellum without black hind border ; wings with a yellow or white 



basal comb. 



32 (33). Discal cross-vein before the middle of the discoidal cell; wings 



lightly infuscated at base ; thorax of male with brown hairs. 



peringueyi, sp. nov. 



33 (32). Discal cross- vein on the middle; wings entirely hyaline, even at 



base; thorax of male white-haired . . argentifer, Walk. 



34 (29). Frons of female twice as broad as usual; wings hyaline, punctate, 



with the discal cross-vein before the middle of the discoidal cell. 



molitor, Wied. 



BOMBYLIUS PURPUREUS, Sp. UOV., $ , $. 



Closely allied to micans, but distinct by the bright purple colour 

 of the rnacrochaetae of the comb and of the thoracical stripes, and 

 also by the more reddish fore border of the wings. 



Type <$ from Klipfonteiu, Namaqualaud (Cape), August, 1890 



