410 
EXOTIC MICROLEPIDOPTERA. 
costa towards apex, cosia slightly whitish-tinged between these; 
a terminal series of dark fuscous dots: cilia fuscous, two obscure 
darker shades. Hindwings grey ; two small dark fuscous spots very 
obliquely placed on angles of cell; cilia whitish-grey, a grey 
subbasal shade. 
Argentina, Alta Gracia ((?. Bruch ); 4 ex. In all respects 
closely allied to the European prunalis . 
Osobia anthocosma, n 0 sp. 
d*. 17-18 mm. Head, thorax light yellow, shoulders tinged 
light brownish. Palpi light yellow partly tinged brownish, base 
white beneath. Eorewings somewhat elongate-triangular, costa 
posteriorly gently arched, termen rounded, somewhat oblique; 
liaht clear yellow ; some fuscous-brownish suffusion towards base of 
costa; two light purplish-grey patches margined ferruginous- 
brown, resting on dorsum, first about subtriangular, nearly 
reaching costa, second much larger, trapezoidal, occupying most of 
posterior half except costal and terminal irregular fasciae, these 
connected on dorsal half by ferruginous suffusion, second enclosing 
a small suffused yellowish spot edged ferruginous-brown on end of 
cell : cilia yellow. Hindwings pale- greyish ; cilia whitish. 
Belgian Congo, N. Kivu, February, March ( C . Seydel) ; 2 ex. 
(type Belg. Cong. Mus.). 
Oeobia caecigena, n. sp. 
$. 17-18 mm. Head, palpi, thorax rather dark grey, palm 
whitish beneath. Antennae stout, flat-dentate, minutely ciliated, 
rough-scaled on back. Forewings somewhat elongate-triangular, 
termen rounded, somewhat oblique ; grey suffusedly irrorated dark 
grey ; lines cloudy, dark fuscous, rather irregular, first about j, 
somewhat excurved, rather oblique, second from costa beyond 
direct, moderately broken inwards to near beneath discal spot, 
thence direct to dorsum; spots cloudy, dark fuscous, orbicular 
small, resting on first line, discal somewhat 8-shaped, rather 
oblique, filled whitish ; a terminal series of small dark fuscous 
marks: cilia pale grey, median and interrupted sub asal dark grey 
lines. Hindwings grey; a terminal scries of small cloudy dark 
spots ; cilia light grey, base obscurely spotted whitish. 
Belgian Congo, Katanga, Katantinia, May (C . Seydel) ; 8 ex. 
(type Belg. Cong. Mus.). 
Pyrausta chrysoterma, n. sp. 
» 
$ £. 14-15 mm. Head, thorax light grey-purplish. Palpi 
purplish-grey, white towards base beneath. Abdomen grey, seg¬ 
mental margins white. Forewings rather elongate-triangular, costa 
almost straight, termen bowed, oblique ; rather dark purple; lines 
slender, yellowish, more or less broken and interrupted, first about 4, 
