The Odotiata nr Drayniiflif's of South Africa. 395 



Abyssinia ; evidently it is not a common species in the South 

 African fauna. 



ORTHETRUM ICTEROMELAS (Ris, 1909). 



S. Afr. Mus. : 1 9 , Boksburg, Transvaal. Brit. Mus. : 1 <J, 2 9, 

 Boksburg, Johannesburg (C. H. Pead). Coll. E. B. Williamson : 

 8 <J, 2 9, Salisbury, Mashonalaud (ii . 1900, Marshall). 



Similar in general form and size and also the large, bright yellowish 

 pterostigma to 0. yuineense, AhboUi and chrysosfiriina. Of this group 

 the pterostigma is generally largest in ir.teromelan, smallest in 

 chrysostigma. Females and uou-pruinose males are easily identified 

 by the abdominal pattern ; pruinose males, although very closely 

 resembling the above-named three species, especially guineense, are 



FIG. 69. Orthetrum icteromelas, $ . Salisbury. Genitalia, second seg- 

 ment, left side view. 



unmistakable when the peculiar hamuli are in good position for 

 examination. 



ORTHETRUM CAFFRUM (Burmeister, 1839). 



S. Afr. Mus. : 3 9 , Burghersdorp, Cape, Worcester ; 1 $ , 1 9 , 

 M'Fougosi, Zululaud (v . 1911, W. E. Jones); 1 J , Rietfontein, 

 Pretoria District (2.x. 1904) ; 2 <J, 3 9, Eldoret, Brit. E. Africa 

 (viii . 1913, W. E. Fry) ; Acoruhoek, Transvaal (xii . 1918, Tucker) ; 

 Grootfontein and Otjituo, S.W. Protectorate (i . 1920, Tucker). Brit. 

 Mus.: 1 ^, Mahakata River, Gazalaud (24 . ix . 1905, Marshall); 

 1 9, Johannesburg (H. Crawford-Cruger) ; 1 <$, Zululaud (Rev. 

 W. H. Heale) ; 1 J , Willow Grange, Mooi River, Natal (9 . ii . 1913, 

 R. C. AVroughton). Coll. E. B. Williamson: 1 <J, 1 2, Salisbury, 

 Mashonalaud (iii . 1900, v . 1905, Marshall); 1 rf , Hilton Road, 

 Natal (23, xii . 1909, G. F. Leigh). Mus. Stockholm : 1 9, Cap. b. 

 Spei (Wahlberg). 



The thoracic pattern of two lateral and often also an ante-humeral 

 whitish stripe is a conspicuous and regular character of this species. 



