1910.] MOTHS FROM NORTHERN RHODESIA. 441 



vein 7 and at middle ; a series of black points before termen and 

 a fine waved black terminal line. Hind wing grey irrorated with 

 brown ; traces of a dark medial line and of a minutely waved 

 subterminal line; a series of black points just before termen, a 

 fine black terminal line and white line at base of cilia. Underside 

 of fore wing and costal area of hind wing suffused with black- 

 brown, the rest of hind wing whitish striated with fuscous. 



Hab. N.E. Rhodesia, Kalungwisi valley (N~eave), 1 J type. 

 Exp. 36 mm. 



Plecoptera rufirena Hmpsn. Ann. S. Afr. Mus. ii. p. 367 

 (1902). 



N.W. Rhodesia, Alala plateau ; N.E. B.hodesia, Chambezi 

 valley, Fort Jameson ; Portuguese E. Africa, S. Angoniland. 



Plecoptera flaviceps Hmpsn. Ann. »S. Afr. Mus. ii. p. 403 

 (1902). 



N.W. Rhodesia, Alala plateau; N.E. Rhodesia, Serenji disbr., 

 Luangwa distr., Ohinsali distr., Chambezi valley. 



GnAMPTOGYIA DIAGONALIS, Sp. n. (PI. XXXYIII. fig. 2.) 



Head and thorax pale yellow pencilled with red-brown ; abdo- 

 men pale yellow dorsally tinged with rufous and with slight 

 white and fuscous segmental lines ; palpi in front, pectus, legs, 

 and ventral surface of abdomen yellowish white, the fore and 

 mid tibia? streaked with rufous. Fore wing yellowish white, 

 the terminal area greyish rufous ; a double very oblique rufous 

 line from costa before middle to inner margin near base ; a black 

 point in end of cell ; three very oblique white lines defined on 

 each side by rufous from below costa beyond middle to middle of 

 inner margin ; a double very oblique rufous line from below apex 

 to inner margin beyond middle ; an indistinct double obliquely 

 curved rufous subterminal line with a series of black points 

 beyond it ; cilia white at base followed by a dark line, brown at 

 middle and white at tips, with a dark line through them. Hind 

 wing pale yellow with some rufous striae above medial part of 

 vein 1 ; two rufous subterminal lines indistinctly double towards 

 inner margin, with some black suffusion beyond them towards 

 apex and some black points towards tornus ; cilia white at base 

 followed by a dark line, brown at middle and white at tips, with 

 a dark line through them ; the underside pale yellow sparsely 

 irrorated with brown scales, a series of black points before termen 

 from apex to vein 2. 



Ab. 1. Head, thorax, and fore wing grey suffused with brown 

 and without yellow tinge ; abdomen grey suffused with fuscous ; 

 hind wing grey tinged with brown and with three double medial 

 lines extending to below costa, the terminal area suffused with 

 fuscous except towards tornus. 



Hab. Br. E. Africa, Taveta [Rogers). 1 <$ , Tana R. (Crawshay), 



