490 SIR GEORGE F. HAMPSON OST [Mar. 1., 



silvery white ; mid and hind legs mostly white ; abdomen white 

 with obscure olive dorsal bands. Fore wing with the basal area 

 dark olive-brown with obliquely curved outer edge ; the rest of 

 wing white ; the costa tinged with fuscous and irrorated with 

 silver ; a white striga defined by fuscous across upper extremity 

 of cell ; a diffused leaden fuscous band from the costal area 

 beyond the cell to just above inner margin, its inner edge 

 incurved below the cell and with double series of dark striae on it 

 representing the medial and postmedial lines, some white between 

 them in submedian interspace and on the postmedial line beyond 

 the cell ; an olive-brown patch before termen at discal fold, with 

 traces of a line from it to inner margin and some fuscous beyond 

 it ; two black points just before termen below apex. Hind wing 

 silvery white, the extreme base olive-brown ; traces of medial 

 and postmedial grey bands defined on each side by dark striae 

 from below costa to inner margin ; a, faint olive subterminal line 

 from below costa to vein 4 and two black points just before 

 termen below apex. 



§ . Fore wing with the dark medial and subterminal markings 

 more developed. 



Sab. Congo, Katanga, Kambove (Neave), 3 3 , 2 § type. 

 Exp. 28-36 mm. 



Rhodoneura discata Warr. Nov. Zool. xii. p. 380 (1905). 

 (PL XLI. fig. 25.) 



N .E. Rhodesia, Chambezi valley. 



PyRALID/E. 



Crambin.e. 

 Crambus fuscivittalis, sp. n. (PI. XL. fig. 1.) 



2 . Head and thorax brownish ochreous, the shoulders and 

 teguise dark brown ; antenna? black ; palpi at tips and fore legs 

 in front dark brown ; abdomen white tinged with brown. Fore 

 wing brownish ochreous with a brown fascia along median 

 nervure expanding triangularly beyond the cell to termen at 

 apex and submedian fold ; a terminal series of slight blackish 

 striae ; cilia with fine whitish lines at base and middle. Hind 

 wing silky white with a very faint brownish tinge. 



Sab. N.E. Rhodesia, Serenji distr. (JVeave), 1 $ type. Exp. 

 26 mm. 



Crambus sectitermina, sp. n. (PL XL. fig. 2.) 



Fore wing with vein 11 becoming coincident with 12. 

 $ . Head, thorax, and abdomen white tinged with brown ; 

 palpi brown at base. Fore wing white slightly tinged with 

 rufous on basal, costal, and inner areas, the terminal area irrorated 

 with brown at apex and below vein 4 ; a, blackish streak in base 

 of submedian fold ; a minute postmedial black point in discal fold 



