432 Annals of the South African Museum. 



Transvaal (15 . xii . 1902) ; 1<J, Waterval, TV. (14 . x . 1900) ; 

 3 <J, Barberton, TV.; 2 g, M'Fongosi, Zululand (iii, x . 1911) ; 

 1 ? , Loreuco Ma.rques (28 . xi . 1911) ; Otjituo, Gaub, Tsintsabis, 

 Namutoui, Otjiwarongo, Nuragas, and Gamies, S.W. Protectorate 

 (i . 1919, Lightfoot, ii . 1921, Barnard, and i . 1920, Tucker). Coll. 

 E. B. Williamson: 12 g, 2 ?, Salisbury (iv . 1899; x, xi, 1900; 

 v . 1905, Marshall); 1 <J , Princetown, Natal (14 . ii . 1909, G. F. 

 Leigh) ; 4 (J, 1 9> woodside oft' Umbilo Road, Congella, Natal (12- 

 21. x . 1904; 17 . i . 1905, iV7.). 



cJ . Lips ochreous. Face, frons and vertex light yellowish, often 

 a light red diffuse spot in centre of face and inferior part of frons. 

 Thoracic dorsum golden brown ; sides pale whitish or bluish green 

 with black dots in the sutures. Abdomen light yellowish, to light 



O v O 



yellowish red, carinae narrowly blackish ; on mid-dorsal carinae of 

 segments 8-10 rhomboid black spots ; ventral surface whitish with a 

 bluish or greenish shade on segments 1-4, ochreous posteriorly, each 

 segment with somewhat diffuse, mostly interrupted, brown lateral 

 stripes. Wings hyaline ; a light golden-yellow spot of variable 

 extent in base of anal field in hind wing ; mostly between Cu^, base 

 of A 3 , supplementary sector of A 3 and anal angle. Tips light 

 brown in most specimens, broader in hind wing, maximally to about 

 half-way between distal end of pterostigma and apex of wing. 

 Pterostigma light ferruginous. Membranule white. 



Female very similar to male. Colour a trifle duller, sometimes 

 with an olivaceous shade. Basal yellow spot of hind wings paler 

 and more diffuse. 



, ? , Aid. 32, hdw. 39, pt. 2'5 mm. in front wing, 2 in hind wing. 



An extremely common cosmopolitan species ; chiefly inter-tropical, 

 but recorded as far north as Kamtschatka, Massachusetts and 

 Wisconsin ; not yet observed in Europe or Mediterranean Africa, 

 except Egypt ; found on many oceanic islands and repeatedlj 

 observed 011 ships far from shore. 



RHYOTHEMIS (Hagen, 1867). 



A genus of many, often beautifully coloured species, most of them 

 Asiatic, a few African and Australian, chiefly tropical, a small 

 number of species also sub-tropical. 



1. Both pairs of wings coloured at base at least to nodal region. Hind wings 



not contracted at apex of anal loop 2 



Front wings hyaline, fumose greyish in sc to Anq lt in cu to Cuq ; hind 

 wings at base deep black with violet, cupreous and greenish metallic 



