﻿G2G J^rof. Mario Bczzi's Report on a Collection of 



2 (1). Tiiird joint less elougatf. and with longer style; dark mark- 



ing without pellucid spots; Lead, scutelluni and abdomen 

 blatk. 



3 (6). Wings with blade veins and darkened or black costal cell ; 



colour of the Ijody black ; notopleural hairs mostly black. 



4 (5). Wings hyaline, with the extreme base black and the costal cell 



darkened ; pleurae with black hairs, nielanopleurus, s]). n. 

 .5 (4). Wings with the basal third dark brown, the basal cells being 



also included in the dark portion . . obrvptus, Loew. 

 6 (3). C'ostal cell hyaline ; wing veins partly yellow ; colour more 



greyish ; notopleui'al hairs pale . . . spp. ind. 



34. Tlijp'idantltra.c manjaaril, sp. nov. (Plate L, fig. 5,) 



(^ Ç . Length (of 7 specimens), 7 to U mm. 



An elegant species with conspicuously bright red abdomen and 

 pellucid sjiots in the dark area of the wings. It agrees tolerably 

 with the description of A. fenestralis, Macquart (1840), from the 

 Cape, and is perhaps the same ; but in the .specimens before me the 

 two basal joints of the'antennae are red, a thing of which Macquart 

 says nothing ; in any case his name must be changed, because there 

 is already another A. fenedralis, Wied. (18,30), from Brazil. 



Face wholly yellow, with white hairs ; frons also yellow, but black 

 near the vertex and clothed with black erect hairs. Thorax black ; 

 the hairs of the dorsum are denuded, but the sides show whitish 

 hairs. Scutellum red, black at the base. INIetapleural hairs and 

 haltères white. Abdomen wholly red, with a basal triangular black 

 spot, which usually reaches only the hind margin of the third seg- 

 ment, but sometimes extends as a black median stripe to the last 

 segment ; the hairs are denuded. Legs black, with the tips of the 

 femora and tibiae red. Wings hyaline, yellowish towards the base ; 

 in the middle there is a brown cross-band, in which are to be seen 

 3-4 .subpellucid spots at the cross-veins; this band does not reach 

 the hind margin of the wings ; the tip of the discal cell is hyaline. 



TvPES (^ Ç and five other specimens from North Nyasa, 

 Fort Hill, September 2G, 1909 (Dr. J. B. Davey). 



35. Thy ridanthrax melanopleurus, sp. nov. (Plate L, 

 fig. 6.) 



$. Length (of 5 specimens), 5-10 nnn. 



A black species near linea, Loew, but distinguished by the black- 

 haired pleurae. 



Head wholly black ; face and frons clothed with black hairs, the 

 last almost without pale pubescence ; antennae black, the third 



