PLECOPTERA. 
271 
tips ; tarsi black ringed with white. Fore wing bright 
glossy rufous mixed with some pale grey, the termen ochreous 
at apex and towards tornus ; a small antemedial black spot 
on costa and points in the cell and on median nervure and 
vein 1 ; orbicular and reniform bright rufous defined by 
white points ; an oblique black bar from middle of costa 
and indistinct waved rufous line from lower angle of cell to 
inner margin ; postmedial fine represented by a small black 
spot on costa above end of cell, then by a strongly excurved 
and indistinctly double series of black points, some ochreous 
points beyond it on costa ; subterminal line ochreous defined 
on inner side by diffused brownish, angled inwards below 
costa and excurved below vena 7 and at middle ; a terminal 
series of black striae. Hind wing whitish suffused with pale 
reddish brown, the termen rather darker ; cilia white tinged 
with brown at base. Underside white ; fore wing suffused 
with brown except the costa which is tinged with rufous 
and the termen which is tinged with ochreous ; hind wing 
with the termen suffused with brown, a faint curved post- 
medial fine. 
Hob. Germ. E. Africa, Ruaha R. (Neave), 2 $ type. 
Exp. 32 millim. 
Plecoptera leucosticha, n. sp. 
Head and thorax red-brown with a greyish tinge ; 
pectus and legs whitish suffused with red-brown, the tarsi 
brown ringed with whitish ; abdomen grey-brown, the 
ventral surface pale red-brown. Fore wing red-brown with 
a greyish tinge and irrorated with a few blackish scales ; 
traces of a waved brown antemedial fine ; a white point in 
middle of cell and white discoidal point on a faint ochreous 
lunule, with blackish point on its inner side ; an indistinct 
dark postmedial fine slightly excurved at middle, the area 
between it and the subterminal fine whitish thickly irrorated 
with red-brown from vein 6 to inner margin ; subterminal 
fine indistinct, dark, waved, interrupted, excurved at middle, 
a faint whitish and red-brown spot on its inner side above 
vein 6 ; a series of blackish points just before the fine dark 
terminal fine and a fine whitish fine at base of cilia. Hind 
wing grey- brown with a reddish tinge ; a whitish fine at base 
of cilia. Undei’side of fore wing pale red-brown with an 
oblique dark postmedial fine and series of blackish points 
before termen ; hind wing whitish tinged with red-brown 
and slightly irrorated with brown, a dark discoidal point, 
rather diffused oblique dark postmedial fine, and terminal 
series of blackish points. 
Hab. Sierra Leone (Dudgeon), 1 $ type. Exp. 28 millim. 
