430 Aiiixdx of the Sniifli African Musenm. 



Forest, Gazaland, 3(;00-4000 ft. (3, 7, 8, 14, x . 1905, Marshall). 

 Coll. K. J. Morton: 1 ^, Macequece (2.x. 1908, Miss Fountaiue). 

 Coll. R. Martin: 1 $, Natal. Coll. E. B. Willianisou : 1 ?, Hilton 

 Eoad, 3800 ft., Natal (28, xii . 1909, G. F. Leigh). Mus. Tervuereu : 

 2 (J, Kapiri, Katanga (x, xi . 1912, Legros). 



Tiie male was described by FiJrster as Zi/gonyx komfilino from 

 Koniatipoort, Transvaal. No other records are Icnown to the writer. 

 From what is known, this species is decidedly South African. 



OLPOGASTEA (Karsch, 1895). 

 Allied to the preceding genus and restricted 1o tropical Afiica and 

 Madagascar ; the small number of species is very imperfectly Icnown. 



Abdomen a little longer than hind wings, very much widened at base, 

 extremely slender from segment 3 posteriorly. Teeth of tarsal claws 

 very minute, even absent in some specimens. Male : Labium light 

 yellow with median lobe black ; labrum blade ; ante- and post-clypeus 

 yellow with a blaek line at the suture between both pieces ; frons above 

 brilliant metallic blue with a ferruginous ground-colour showing through, 

 narrowly yellow at anterior margin. Thorax brilliant metallic green 

 with light yellow markings ; incomplete line at median suture ; ante- 

 humeral lines to two-thirds height ; transverse lines at ante-alar sinus : 

 two round spots in front of humeral suture ; two large elliptical spots 

 on mesepimeron ; ventral band and dorsal round spot on second lateral 

 suture ; large, rotighly triangular anterior spot and two small round 

 posterior spots on metepimeron ; round spots on mesinfraepisternum and 

 metinfraepisternum. Legs black, abdomen black with yellow markings ; 

 latero-ventral spot and dorsal ring on segment 2 ; complete narrow 

 anterior ring on 3 ; segments 4-7 with small, dorsally interrupted basal 

 ring, slightly elongate on 7. Genital lobe produced into a large con- 

 torted spine. Wings stained with greenish yellow from triangular 

 region distally ; second pair deeper yellow in the region between t, nodus 

 and anal margin : apex narrowly and diffusely lined with brown ; second 

 pair with deep brown basal spot, vestige in sc, almost to C«q in cu and 

 one or two cells at membranule. Pterostigma dark brown ; membranule 

 black. 15^ Aiiq. Female very similar to male. J "j" , Aid. 43, hdw. 42, 

 pt. 25 mm. .......... 0. htgubris. 



Abdomen distinctly shorter than hind wing, mucli widened at base, 

 more robust posteriorly than in preceding species, and slightly fusiform. 

 Teeth of tarsal claws of ordinary size, shorter than the point. Male ; 

 Labium and labrum ochreous ; face and frons very light olivaceous ; at 

 base of frons a broad black band with metallic blue reflections. Vertex 

 black at base, light olivaceous at sunnnit. Thorax very dark brown with 

 metallic green and blue sheen and rather dull ochreous markings ; broad 

 antehumeral band to two-thirds of the height ; a ventral band and dorsal 

 round spot in front nf humeral suture; a sinuate line at metastignia ; 



