1910.] MOTHS FROM NORTHERN RHODESIA. 437 



area darker, a dark discoidal point and indistinct curved post- 

 medial line. 



Hab. 1ST.E. Rhodesia, E.Luangwa distr.,Mbala country (Weave), 

 1 J type, Petauke (Weave), 1 <3 , Niaindazi R. (Weave), 1 d 1 • Exp. 

 34 mm. 



Plecoptera melalepis, sp. n. (PL XXXVII. fig. 32.) 



Mid tibia? of male fringed with long hair below. 



Head and teguhe pale rufous ; thorax purplish grey mixed 

 with brown ; mid tibia? of male with the tufts of hair blackish ; 

 abdomen grey suffused with brown. Fore wing purple-grey, irro- 

 rated with large black and whitish scales except on costal and 

 terminal areas ; antemedial line slight, black defined on inner 

 side by whitish, nearly straight and erect ; two black discoidal 

 points with a black striga defined on outer side by whitish above 

 them from costa ; postmedial line black defined on inner side by 

 white, arising below costa, nearly straight and oblique ; some 

 white points on postmedial part of costa ; subterminal line indis- 

 tinct, grey, angled inwards at discal fold and outwards at middle, 

 then incurved ; a series of black points just before termen. Hind 

 wing fuscous brown ; a terminal series of blackish stria? : the 

 underside whitish thickly irrorated with brown, the terminal 

 area darker, a black discoidal point and indistinct curved post- 

 medial line. 



Hab. X.E. Rhodesia, E. Luangwa distr. (Weave), 4 d\ 2 $ 

 type, Luangwa R. (Weave), 1 § . Exp. 32 mm. 



Plecoptera flavilinea, sp. n. (PI. XXXVII. fig. 33.) 



Head and tegula? yellow tinged with rufous ; thorax purplish 

 grey mixed with brown ; pectus and legs whitish mixed with 

 brown ; abdomen grey suffused with brown. Fore wing purplish 

 grey tinged with brown and irrorated with a few black scales, 

 the postmedial area suffused with chocolate-brown ; antemedial 

 line rufous defined on inner side by yellow, slightly angled out- 

 wards below costa, then erect and somewhat sinuous ; two black 

 discoidal points on a red-brown bar, a red-brown bar above them 

 from costa defined on outer side by whitish ; postmedial line rufous 

 defined on inner side by yellow, arising below costa, oblique, 

 straight ; some white points on postmedial part of costa ; traces 

 of a waved grey subterminal line; a terminal series of black 

 points; cilia whitish at tips. Hind wing grey- brown, the 

 terminal area tinged with fuscous ; cilia whitish at tips ; the 

 underside whitish thickly irrorated with brown, the terminal 

 area darker, a slight dark discoidal lunule and traces of a post- 

 medial line. 



Hab. S. Nigeria, Lagos (Boay), 1 S ; Br. 0. Africa, Fwambo, 

 1 S ; N.W. Rhodesia, Alala plateau (Weave), 2J, 1 $ type ; 

 X.E. Rhodesia, E. Luangwa distr. (Weave), 1 $, Bangweolo distr. 

 (Weave), 3 d . Exp. 30-34 mm. 



