124 Lord Walsingham on 



Eretmocera latissima, Z. 



Caffraria, two specimens (Boheman, Zell. Coll.] ; Bath- 

 urst (Gambia), seventeen specimens, OctoberNovember 

 (Carter). 



COSMOPTEBYGIN^E. 

 COSMOPTERYX, Hb. 



[PL vi., fig. 64.] 

 Cosmopteryx cognita, sp. n. 



Antennce bronzy brown, the elongate basal joint paler beneath, 

 the five apical joints are white, the next four or five dark bronzy, 

 preceded by a wide, once interrupted, white band. Palpi bronzy. 

 Head bronzy; face metallic steel-grey. Thorax bronzy. Fore 

 wings bronzy brown, with a slightly oblique brassy metallic band 

 at half their length, preceding the usual orange fascia; half-way 

 between this band and the base are three silvery streaklets, the 

 upper one oblique from the costa, the middle one above the fold, 

 very short, commencing opposite the apex of the upper one, and 

 reaching about half the length of the lower one, which is stouter and 

 lying below the fold, it commences opposite the base of the middle 

 one and projects beyond it ; the orange fascia is margined exter- 

 nally by a very oblique brassy metallic band running inwards from 

 the costal to the dorsal margin, and is separated from it, as from 

 the similar band which precedes it, by a few blackish scales ; there 

 is a conspicuous white streak in the costal cilia at the upper end 

 of the outer metallic band and the apical portion of the wing, 

 which is bronzy brown, contains a single small brassy spot at the 

 apex, and a tiny white streak at the extreme end of the apical cilia; 

 cilia bronzy brown. Under side aeneous, the costal and terminal 

 white streaks alone visible. Hind wings and cilia pale greyish 

 brown. Under side aeneous. Abdomen brown. Legs : posterior 

 tibiae and tarsi bronzy brown, banded and spotted with white. 

 Exp. al. 12 mm. 



Hob. Estcourt (Natal), one specimen (Hutchinson). 

 Type, $ , Mus. Wlsm. 



The only species of Cosmopteryx hitherto recorded 

 from South Africa is an undescribed species noticed by 

 Stainton (Ent. Week. Int., IX., 32 (I860)). 



