478 
EXOTIC MICROLEPIDOPTERA. 
discal stigmata moderate, blackish ; a marginal series of small dark 
fuscous dots rouud apex and terrnen : cilia pale brownish. Hind- 
wings grey; cilia pale greyish, a darker subbasal line. 
Sierra Leone, 'Hjala, June ( E . Hargreaves ); 1 ex. (Brit. Mus.). 
Psendodoxia melicrana, n. sp. 
$ . 13-14 mm. Head light ochreous-yellow,, Palpi whitish- 
yellow, second joint dark fuscous except towards apex. Thorax 
dark fuscous. Forewings rather elongate, apex tolerably pointed, 
termen yery obliquely rounded; fuscous; stigmata cloudy, dark 
fuscous, discal distinct, plical slightly beyond first discal, small or 
little marked: cilia greyish, towards base sprinkled dark fuscous. 
Hindwings pointed, grey ; cilia light grey. 
Assam, Shillong, 5000 feet, September ( Fletcher ); 3 ex. 
Psendodoxia chlorostoma Meyr. 
Bengal, Seranpur, 2 ex. bred February from larvce feeding in 
portable cases (presumed on lichens); case long, narrow, tapering 
(22 mm. x 2 mm. at widest part), of silk covered with short 
cylindrical lengths of excrement arranged in a close continuous 
spiral throughout; the specimen examined had 93 coils. One of 
these bred specimens exactly resembled captured examples, the 
other is rather darker than any captured. 
PLUTELLIDiE. 
OPTHIOSTOLA Meyr. 
The recognition of the following additional species enables the 
generic characters to be corrected as under : Antennae 1. Maxillary 
palpi very short, filiform, porrected. Posterior tibiae loosely haired 
above except towards base (the triangular tuft of scales on apical 
half beneath should be removed from generic characters and trans¬ 
ferred to the specific description of the type-species, 0. lyroda, not 
being found in two of the following species, which are unquestion¬ 
ably congeneric). 
Orthiostola crotalista, n. sp. 
c 3 $ . 9-11 mm. Head, palpi, thorax white. Forewings elon¬ 
gate, rather narrow, apex obtuse-pointed, termen very obliquely 
rounded ; white; a grey streak beneath costa from base to near 
middle ; a median fascia formed of two parallel approximated dark 
purplish-fuscous streaks, space between them tinged yellowish, 
second in one example incurved in middle to touch first; two 
irregular rather inwards-oblique dark purplish-fuscous streaks 
confluent on costa at about § reaching about half across wing, space 
between these and preceding light ochreous-yellow ; a very fine 
straight dark fuscous line crossing wing at |; a light ochreous- 
yellow apical blotch, including a nearly straight transverse dark 
fuscous line near its anterior edge, a black dot towards apex, and 
