52 



1906 (A. J. Cholmley) ; two females from Bloksberg, Johannesburg, 



1907 (C. H. Pead). Southern Rhodesia : one female from Salisbury, 

 Mashonaland, December, 1899 (G. A. K. Marshall). The locality 

 of one female is unknown. 



Genus CADICERA, Macquart. 



Memoires de la Societe Imperiale des Sciences, de V Agriculture, et 

 des Arts de Lille, Annee 1854, II e Serie. I er Vol., p. 42 (1855) : 

 Dipteres Exotiques, 5 e Supplement, p. 22 (1855). 



PLATE III., FIGS. 19-22. 



So far as at present known, this genus consists of eight species 

 of dusky-winged flies, in which the head is characteristically 

 flattened from front to rear, the proboscis more or less elongate, 

 and the abdomen strongly convex above and, at least anteriorly, 

 usually broad. With the exception of one species, which occurs 

 in the Nyasaland Protectorate, the genus has hitherto been met 

 with only in South Africa. No observations appear to have been 

 made as to the habits or life-history of any of the species. 



Cadicera rubramarginata, Macquart. 



Memoires de la Societe Imperiale des Sciences, de V Agriculture, et 

 des Arts de Lille, Annee 1854, IP S6rie. I er Vol., p. 43 (1855) : 

 Dipteres Exotiques, 5 e Supplement, p. 23, Tab. 1, Fig. 7 (1855). 



PLATE III., FIG. 19. 



Owing to its peculiar coloration and markings, Cadicera rubra- 

 marginata, Macq., the type of the genus, is one of the most striking 

 of all the Tabanidae. At present the species is represented in the 

 Museum Collection only by a single female, from " South Africa," 

 before 1844 (Dr. Andrew Smith). In all probability this specimen 



