490 
EXOTIC M1CROLEPIDO PTERA. 
posteriorly slightly arched, termen rounded, somewhat oblique ; 
white; three or four rosy-grey dots on costa towards base ; some 
slight pale violet-grey mottling on dorsum at |; a cloudy grey dot 
in disc above middle; a small pale yellow spot between bases of 
veins 2 and 3; some violet-grey suffusion along posterior half of 
dorsum, somewhat darker-marked, from which two converging post¬ 
median series of pale silvery-grey spots parallel to termen run to 
near costa ; a series of smaller light silvery-grey spots near termen, 
almost terminal on lower half and two lowest carrying black dots 
anteriorly, two small spots on upper part of termen, uppermost with 
a black dot, these surmounted by an apical spot of ferruginous 
marbling; a fine dark ferruginous terminal line : cilia white marked 
grey (imperfect). Hindwings light ochreous-yellowish, towards 
base paler and tinged grey-whitish, towards apical part of costa 
whitish ; cilia whitish. 
Fiji, Yunidawa, November (£T. Phillips ); 1 ex. (Brit. Mus.). 
Allied to optima, but without any trace of the median costal spot 
of that species. 
PHYCITIDiE. 
Microthrix omichleuta, n. sp. 
3 5 . 20-22 mm. Head, palpi, thorax ashy-grey, 5 lighter. 
Forewings very elongate-triangular, costa posteriorly gently arched, 
termen somewhat obliquely rounded ; pale grey, suffusedly irrorated 
rather dark fuscous ; lines obscurely whitish, indistinct, first about 
rather oblique, thick, irregular-edged or toothed, posteriorly 
edged darker suffusion, second near termen, hardly traceable ; two 
darker dots on angles of cell, hardly definable: cilia grey, speckled 
whitish. Hindwings grey-whitish, terminal edge suffused grey; 
cilia grey-whitish, a grey subbasal line. 
Sudan - , Khartoum, bred March from larva in fruits of Acacia 
arabica ( H . W. Bedford ); 2 ex. (type Brit. Mus.). 
Pempelia (?) fibrivora, n. sp. 
5 . 14-15 mm. Head, thorax pale silver-grey. Palpi whitish, 
second and terminal joints each with broad dark grey median bands. 
Forewings very elongate-triangular, costa slightly arched, termen 
rounded, rather oblique ; grey irrorated dark grey ; first line at 
dark grey, obtusely angulated towards costa, lower half direct, 
irregular, margined whitish suffusion on both sides ; two blackish 
dots somewhat obliquely placed on angles of cell; second line at |, 
slender, whitish, obscurely margined dark fuscous especially poste¬ 
riorly, rather excurved in disc; a terminal series of cloudy dark 
fuscous dots : cilia greyish, faint darker lines. Hindwings whitish 
tinged grey posteriorly, terminal edge suffused dark grey: cilia 
whitish, a grey subbasal shade. 
Sudan, Hag. Abdulla, bred September from larva feeding on 
Corchorus olitorius ( Tiliacece ) (H. Wood ) ; 3 ex. (type Brit. Mus.). 
