Suulh Afn'ciin and Oriental Asilina}. T)? 



Natal (Ih'vis)j and two others from same locality, and one 

 male from Upper Tonj^aat, Natal (Barker). 



A species eliictly yellow in colour, lef;s with a short bhiclc 

 stripe on the femora, tarsi with the exception of the meta- 

 tarsi black. Antennte yellow, the third joint blackish. 

 Monstaclie yellow. Thorax with a broad l)lack median stripe 

 and side ones. Abdomen with black median spots, H'iiif/s 

 clear. 



Length of these females 19-22 mm. 



Synolcus tenuivenfris., Loew. 

 Dipt. Siid-Afrik. i. p. 147 (1860). 



A male from Karkloof, Natal (G. A. K. Marshall) (1897) ; 

 anotlier from Upper Tongaat, Natal (C. N. Barker) (1919); 

 ami another from Port Natal. 



Two males from Lucia Bay {Bell Marley), in Durban 

 Museum Coll. 



A darker-coloured species than Synolcns dubius. Abdomen 

 ashy-grey with dark spots. Wings much dilated. 



Length 18-25 mm. 



Loew has described this and the following species, Synukus 

 acrobapius, very fully. 



Synolcus acrobapius, Wied. 



Ausszweifl. Ins. i. p. 441) [Asiltis] (1828); Schiner, Verb, zool.-bot. 



Ges. ^Vien, xvi. p. 685 (1866) ; et xvii. p. 404 (1867). 

 Stjnolcus siynatus, Loew, Dipt. Siid-Afrik. i. p. 148, pi. ii. figs. 1, 2 

 '(I860). 



One male from Cape Town [Peringuey), in the South 

 African Museum Coll. 



A smaller species than Synolcus tenuiventris, and at once 

 distinguished by the dark spot at apex of wing. A dark- 

 coloured species with wings much dilated in the male, the 

 libije dull testaceous on the anterior and middle pair. 



Length, cJ , 14 mm. 



Asilus incisuralis, Macq., from tlie Cape, is described by 

 liim as having the wings dilated in the male and legs chiefly 

 black ; but the wings are declared to be a little brownish, 

 clear at base and in centre. Is it possible that this is a 

 species of Synolcus ? 



Table for Species o/ Synolcns /ro/w the Oriental Region. 



1. Wings very suddenly dilated in males .... 2. 

 Wings only .'^li^htly dilated in males, in one 

 species not at all 3. 



