306 



Annals of the South African Museum. 



PsEUDAGRION SALISBURYENSE, 11. sp. 



S. Afr. Mus. : 2 , M'Foiig-osi, Zululautl (iii, ix . 1911, W. E. Jones) ; 

 Waterberg, S.W. Protectorate (i . 1920, Tucker) ; 1 J , King Williams- 

 town Distr., St. Mathew's (R. M. Lightfoot, 1894). Brit. Museum, 

 Mus. Stockholm and Coll. E. B. Williamson: 9 <$ , 12 $', Salisbury, 

 Mashonaland (i, ii, x . 1900; x, xi . 1903 ; iv, 1904; iv, 1905, G. A. K. 

 Marshall). Coll. E. B. Williamson: 5 <$ , 3 9 , Princetown, Natal 

 (xii . 190S, 1 . ii . 1909, G. F. Leigh). 



c?. Occiput and labium greyish oclireous. Labrum, ante- and 

 postclypeus and geuae dull olivaceous, rather obscure. Frons black 

 to the anterior margin, slightly bronze-green. Postocular spots small, 

 almost circular, dull olivaceous. Prothorax black, very narrowly 



FIG. 26. Pseudagrion salisburyense, $ . King Willianistown. Appen- 

 dages, right side and dorsal view. 



reddish-brown on sides, slightly bluish pruinose. Thoracic dorsum 

 wholly bronze black, very slightly bluish pruinose ; the pruinosity a 

 little more dense in a stripe near the humeral suture (only in part of 

 specimens examined). Black colour invading the sides to half-way 

 between humeral suture and metastigma ; broad black band on second 

 lateral suture, slightly incomplete vent-rally; this band confluent 

 dorsally with the anterior black colour in part of specimens. Sides 

 and ventral surface otherwise very light reddish brown, with thin 

 whitish pruinosity. Legs black, external surface of tibiae and tarsi 

 oclireous, femora whitish pruinose. Dorsuin of abdomen bronze black ; 

 segments 1 to middle of 2 bluish pruiuose, 8-9 violet-blue (in pigment) 

 with the lateral border narrowly black. Appendages (Text-fig. 26) 

 superior dark brown, inferior reddish oclireous. A* at Ciiq ; ptero- 

 stigrma varying from greyish oclireous to almost black according to 



