1910.] MOTHS FROM NORTHERN RHODESIA. 489 



extremity below. Wings uniform fuscous brown tinged with 

 metallic blue. 



Hob. N.E. Rhodesia, Tanganyika plateau (Neave), 1 5 type. 

 Exp. 18 mm. 



Saliunca glennia Jord. Entom. xl. p. 123 (1897). 

 N.E. Rhodesia, E. Luangwa distr. 



POMPOSTOLIN.E. 

 Pompostola hemichrysa, sp. n. (PI. XL. fig. 13.) 



$ . Head and thorax bluish black ; the tegulse, patagia, and 

 mid tibiee except at extremity golden yellow ; abdomen blue- 

 black, the sides golden yellow to middle. Fore wing golden 

 yellow to beyond middle with a short black streak in base of cell, 

 the outer edge of the yellow area angled outwards just beyond 

 lower angle of cell ; the terminal area blue-black. Hind wing 

 golden yellow, the terminal area black-brown, broad at costa and 

 narrowing to a point at vein 1. 



Hob. N.E. Rhodesia, E. Luangwa distr. (N~eave), 3 $ type. 

 Exp. 36 mm. 



Pompostola scintillans Butl. P. Z. S. 1893, p. 675, pi. ix. 

 ff. 12-13. 



N.E. Rhodesia, Serenji distr. 



[This species frequents open grassy spots and invariably rests 

 with partially expanded wings on the heads of grasses or 

 similarly exposed positions. Its shining blue-black colour, 

 steady flight, and long hind legs trailing behind it combine to 

 make it astonishingly like a Hymenopteron when on the wing. 



I also noted it in some numbers in Southern Angoniland, 

 S.W. of L. Nyasa, in similar country, December 1908. — S. A. N] 



Byblisia caudata Jord. Entom. xl. p. 127 (1907). 

 N.E. Rhodesia, Luangwa. valley. 



Arniocera chalcopasta, sp. n. (PI. XL. fig. 19.) 



cT . Head, thorax, and abdomen black suffused with brilliant 

 metallic blue ; palpi and fore coxse deep crimson. Fore wing 

 black suffused with brilliant metallic blue ; antemedial, medial, 

 and postmedial erect metallic golden bands, the terminal area 

 suffused with metallic gold. Hind wing dark brown ; the inner 

 area tinged with metallic blue not extending to tornus ; the 

 underside suffused with metallic blue except towards apex. 



Hah. N.E. Rhodesia, Tanganyika plateau (J\ T eave), 1 c? type. 

 Exp. 32 mm. 



Thyridid^e. 



Rhodoneura fuscibasis, sp. n. (PI. XL. fig. 20.) 



cf . Head and thorax dark olive-brown mixed with some 



