South African Higher Myodarii (Dipt era Calyptratae). 481 



SERICOPHOROMYA RUFICRURA, u. sp. 



This species has uot to my knowledge been met with as yet in 

 South Africa, but its great resemblance to 8. nut m/talli, all the characters 

 of which except the colour of the legs, which are testaceous with the 

 tarsi blackish, justifies its inclusion here. The tibiae are fuscous 

 towards the proximal third, and sometimes further. In S. rnfi-crura 

 the medio-dorsal black baud of the second abdominal segment is broad 

 and more or less trapezoid in shape. 



Several examples from Nyassaland, Mt. Mlanje (S. A. Neave), 

 and one from the Gold Coast, Ahuri (W. H. Patterson), Entom. 

 Ees. Comm. 



GEN. CAECELIA Bob. Desv. 



CARCELIA ANGULICORNIS, n. sp. 



The study of the African species of the genus Carcelia B. D. is 

 more difficult than that of the palaearctic species, because usually the 

 tibiae are black like the rest of the legs, or at least are very dark. If 

 to this is added a tendency to individual variation, the division of the 



/ 



species is full of snares, and almost impossible unless there is an 

 abundance of material. Nor easier it is to connect them with other 

 known species, and to be sure that a species is not simply a variety 

 due to climatic influences. I have therefore postponed the study of 

 the moderately large material I have, and restrict myself at present 

 to a single well-characterised species, C. angulicornis, n. sp. 



The typical examples come from Southern Nigeria, Oshogbo 

 (J. T. G-. Mayer). The frons in the $ measures f of the length 

 from the eye to the vertex, and hardly more in the ? ; the nearly 

 parallel borders diverge a little forward where the frons is moderately 

 projecting. The geuae are narrow, especially below, and the peristome 

 is quite linear. The yellow palps are clubbed. The antennae are 

 remarkably long, covering the whole epistoma as far as the mouth (the 

 third joint is 7 times as long as the second) ; they are black and bear a 

 very long and fine chaeta thickened and slightly pubescent in the 

 proximal third. The shape recalls that of the genus Hemimacquartia 

 B. B., of which it is said : " Antennae supra medium oculoruni . . 

 articulus secundus brevis, tertius longissimus, latus, basi crassior, 

 antice ad basin convexus " (Brauer and Bergeustamm, par. 3, p. 101). 

 In the $ the antennae are very characteristic ; in the 9 the third 

 joint is seldom as much thickened or as convex at the base. The 

 orbits are ashy yellow, especially in the $ , wider in front than the 



