1910.] MOTHS FROM NORTHERN RHODESIA. 439 



d . Head deep rufous, the basal joint of antennae yellowish 

 white in front: thorax and abdomen grey-brown. Fore wing 

 grey tinged with rufous and suffused with fuscous brown, the 

 postmedial area pale, the terminal area darker ; traces of a dark 

 antemeclial line, excurved to below cell, then oblique ; a white 

 point at origin of vein 2 ; a diffused blackish discoidal lunule ; 

 postmedial line oblique from costa to vein 6, then hardly traceable, 

 incurved below vein 4 ; subterminal line indistinct, dark with 

 series of slight white points on it, excurved below vein 7 and at 

 middle, then incurved and ending at tornus ; a terminal series 

 of slight dark striae ; cilia rufous. Hind wing pale reddish brown, 

 the terminal area suffused with fuscous, narrowing to tornus : 

 cilia rufous, fuscous towards apex. Underside of fore wing white 

 tinged with brown except on postmedial area, the terminal area 

 fuscous, the costa rufous irrorated with brown, the discoidal 

 lunule blackish; hind wing whitish irrorated with brown, the 

 terminal area fuscous, a dark discoidal spot and rather diffused 

 postmedial line. 



Hah. N".E. Rhodesia, E. Luangwa distr., Petauke (JVeave), 

 1 S type. Exp. 40 mm. 



Plecoptera trichophora, sp. n. (PI. XXXVII. fig. 26.) 



Antennae of male with long bristles and cilia ; fore femora and 

 tibiae below, mid tibiae below and 1st joint of tarsus above and 

 hind coxae with tufts of long hair ; fore wing with the inner area 

 near base clothed with long woolly hair. 



S . Head and thorax grey-brown ; palpi pale ochreous ; fore 

 and mid legs with the tufts of hair fuscous brown, hind coxae 

 with ochreous tufts ; abdomen grey suffused with fuscous, the 

 anal tuft tinged with rufous. Fore wing purplish grey irrorated 

 with black, some black suffusion beyond postmedial line and on 

 apical area, the woolly hair near base black-brown ; two black 

 discoidal points ; postmedial line black slightly defined by rufous, 

 strongly bent outwards and obsolescent below costa and slightly 

 incurved below vein 4, some white points beyond it on costa ; 

 subterminal line blackish, dentate, angled outwards at vein 7 and 

 excurved at middle ; a terminal series of black points. Hind 

 wing grey -brown suffused with fuscous ; the underside suffused 

 with fuscous brown, a black discoidal striga.. 



Hob. N.E. Rhodesia, Chambezi valley {Heave), 2 S , Lake 

 Bangweolo {Neave), 1 J type. Exp. 38 mm. 



Plecoptera sarcistis, sp. n. (PI. XXXVII. fig. 8.) 



Legs of male normal. 



c^ . Head and tegulse black -brown : palpi whitish in front ; 

 frons with white bar connecting lateral streaks ; vertex of head 

 creamy white ; thorax ochreous tinged with rufous ; pectus, legs, 

 and abdomen ochreous tinged with brown. Fore wing ochreous 

 strongly tinged with rufous ; a black discoidal point ; postmedial 

 line black, arising below costa, oblique to digcal fold, then faint 



