The Odnnafa or Braynnflies of Hovth Africa. 401 



(western forms generally darker in colour), South to Natal, North to 

 Eritrea. Eepreseutative forms in Madagascar aud the smaller islands. 



Orthetrum farinosum (Forster, 1898). 



S. Afr. Mus. : 2 c?, Duiibrody {G . ii. 1912); 1 S- Matopo (E. C. 

 Chubb); 1 ?,Waterval, Zoutpansberg District, Transvaal (IS.xii. 

 1899). Coll. K. J. Morton : 3 ? , Durban, Natal (13 . xii . 1907, 27 . i . 

 1908, Miss Fountaiue). Brit. Mus. : 1 9 , Mpudzi Eiver. Manica (26 . 

 X.1901, Marshall). Coll. Ris : 1 9 , Botchabelo, 1200 m., Transvaal 

 (18. ii. 1914, H. Junod). Coll. E. B. Williamson: 1 $, Salisbury, 

 Mashonaland (ii . 1900, Marshall); 1 J, 1 $, Princetowu, Natal 

 (18. ii. 1909, G. F. Leigh). 



The male of this species resembles superficially the European 0. 

 brunnevm by the comparatively broad aud depressed abdomen with 

 base but little widened, and hv the very light shade of its blue 



Fig. 76. — Orthetnim farinosmn, g. Dimlnoily. Genitalia, second seg- 

 ment, left side view. 



pruiiiosity. The female is easily recognised liy the analogous 

 characters of abdomen, by the large, light-coloured pterostigma and 

 conspicuously brownish tips of wings, as well as by the lateral 

 abdominal blackish lines a little distant from the lateral carinae. and 

 thus producing a pattern of marginal luuules, soniewhiit similar 

 to the European 0. cancellatum . 



Not a common species, but very widely distributed in Eastern 

 Africa from Egypt (Cairo) to Natal, and also found in West African 

 stations (Sierra Leone, Kamerun aud the Congo). 



PALPOPLEURA (Rambur, 1842). 



A genus of comparatively small to very small forms, conspicuous 

 by coloured wings, short depressed abdomen and the curious sinuate 

 course of the costal vein in its ante-nodal part. One of its species is 

 certainly a characteristic insect of the Ethiopian faunal region, and 

 present practically in every collection brought from inter-tropical 



