1910.] MOTHS FROM NORTHERN RHODESIA. 453 



with the postmedial yellow band narrower, the subterminal black 

 band more incurved at submedian fold. 



Hob. N.E. Rhodesia, Chambezi valley {Heave), 1 <$ type, Feira 

 {Heave), 1 2 • -Exp- d 30, $ 32 mm. 



Hybua xanthia, sp. n. (PL XXXYIIL fig. 26.) 



<$ . Head, thorax, and abdomen yellow faintly tinged with 

 rufous ; palpi brownish ; tarsi brownish with pale rings. Fore 

 wing yellow irrorated and striated with pale rufous ; a faint 

 curved rufous medial shade rather darker at costa ; a faint oblique 

 shade across apex and blackish apical mark ; cilia deep rufous*. 

 Hind wing yellow ; a diffused black-brown band on termen from 

 apex to vein 3, then incurved and not connected with the spot 

 on termen at vein 1 ; cilia tinged with rufous from apex to vein 3. 

 Underside of fore wing with the costal and terminal areas tinged 

 with red and irrorated with brown points, a brownish discoidal 

 point ; hind wing with the costal area tinged with red except 

 towards base and irrorated with brown points. 



Hab. Congo, Katanga, Kambove (Heave), 1 <$ ; N".E. Rhodesia, 

 E. Luangwa distr. (Heave), 1 6 , Tanganyika plateau (Heave), 

 1 S type. Exp. 24-28 mm. 



PlEROTHYSANID-E. 



Hibrildes flava Auriv. Trans. Ent. Soc. 1904, p. 697, pi. 33. 

 ff. 5, 6. 



N.E. Rhodesia, E. Luangwa distr. 



Hibrildes venosa Kirby, A. M. N. H, (6) xviii. p. 388, pi. 19. 

 f. 4 (1896). 



N.W. Rhodesia, Alala plateau ; N.E. Rhodesia, E. Luangwa 

 distr., upper Luangwa valley. 



Hibrildes norax Druce, P.Z.S. 1887, p. 675 (1888). 



Congo, Katanga, Kambove ; X.E. Rhodesia, E. Luangwa 

 distr. 



Hibrildes craushayi Ruth A. M. X. H. (6) xviii. p. 162 (1896). 



Congo, Katanga, Kambove ; N.E. Rhodesia, E. Luangwa 

 distr., upper Luangwa valley. 



The typical form is fulvous red ; in some specimens the basal 

 area of both wings is tinged with fuscous, in another there is a 

 broad oblique ochreous white area beyond the cell of fore wing, 

 in another the fore wing is suffused with fuscous leaving some 

 ochreous white in cell, as streaks on inner area., and as a broad 

 oblique postmedial band, the whole hind wing being suffused with 

 fuscous. 



The numerous specimens of H. norax and venosa are all males, 

 whilst the fifteen specimens of H. craushayi, ansorgei, and neavi are 

 all females. It seems possible that H. venosa, is a variety of norax 



