190 



Annals of the South African Museum. 



the third. Labial palps hidden, blackish, the first two joints fairly 

 short, the third as long as the two together. Legs yellowish red, 

 the tibiae and tarsi blackish (those of the posterior legs more 

 brownish black). Wings (figured) with greyish brown membrane 

 and greyish black, fairly dense pubescence ; veins dark brown, 

 marginal cilia blackish. The neuration is similar to that of 

 Wormaldia fallax, Ulm. (cf. Deutsche Zentralafrika-Expedition, iv., 

 1912, p. 84, fig. 5), the veins in the region of the discoidal cell still 



Chimarrha ruficeps, n.sp. Wings. 



more strongly curved ; subcosta behind the costal transverse vein 

 little curved ; radius already strongly bent before the junction of the 

 sector, curved S-shaped behind it, and again curved at the point of 

 junction of the transverse vein with the discoidal cell ; thyridium cell 

 likewise distinctly curved; between the subcosta and radius near 

 the base a transverse vein ; discoidal cell broad, blunt at the base 

 (the veins there thickened) ; median cell as long as, but much 

 narrower than, the discoidal cell ; thyridium cell very narrow, 

 nearly one and a half times as long as the latter ; the naked cell 

 very distinctly marked, bordered basally by a thickened vein-like 

 ridge ; the membrane more strongly chitinised between the radius 

 and the base of the thyridium cell. Fork 1 sessile, fork 2 with very 



