122 EXOTIC MICRriLKPlDOPTERA. 



spots ill disc at I ; a spot crossinj? wing near apex : cilia grej-. 

 Hindwings and cilia grey. 



Assam, Khasis, November ; one specimen. The precise nature 

 of the structure described in this and other species of the genus as 

 an enlarged second joint of antennae is difficult to ascertain 

 accurately ; it is clothed with dense scales above and looks like a 

 simple joint, but may be a partial consolidation of several joints ; 

 it is a (]uite exceptional feature. 



Thiotricha pyrphora, n. sp. 



S 9 ■ 7-8 ram. Head, palpi, thorax shining whitish. Antennal 

 ciliations J 2^. Al)doraen whitish-ochreous. Forewings very 

 narrow, widest near base, thence slightly narrowed, short-pointed, 

 obtuse ; grey, basal half suffused shining whitish ; a deep orange 

 blotch occupying apical third, anterior edge indented below middle 

 by a projection of groundcolour sometimes ( J ) extended as a 

 streak to apical spots, or with a spot of grey suffusion on termen 

 ( 5 ) ; a round black spot at apex (smaller in § ), and a dot 

 beneath it : cilia pale grey, faintly orange-tinged on termen, on 

 costa grey, a dark grey line opposite apex. Hindwings grey, 

 towards apex suffused orange before a dark grey pra^apical bar ; a 

 black apical dot : cilia pale grey. 



CooEG, Dibidi, 3500 feet, January (jyewcome) ; two s])ecimeii8. 

 The differences noted are probably sexual or varietal ; in case of 

 doubt, the cJ is the specific type. 



Thiotricha xanthaspis, n. sp. 



J 5 . 11 mm. Head, palpi, thorax shining white. Antennal 

 ciliations J 2. Abdomen whitish. Forewings very narrow, 

 Avidest near base, thence slightly narrowed, apex tolerably pointed, 

 termen very obliquely rounded; shining Avhite; an ochreous- 

 orangc suffused blotch extending along apical third of costa ; 

 a narrow irregular from costa rather iuwards-obli(}ue dark fuscous 

 fascia at |, sometimes not quite reaching margins ; a small blackish 

 dot just above apex, and one on termen slightly anterior : cilia 

 light ochreous-orange, towards tornus grey-whitish. HindAvings 

 grey, costa and termen suffused dark grey, apex pale orange ; cilia 

 whitish-grey, round apex pale orange, at apex a whitish patch with 

 dark grey basal mark and postmedian bar. 



Assam, Khasis, March, May; two specinens. 



Thiotricha complicata, n. sp. 

 cJ. 8 mm. Head shining white, crown grey. Palpi Avliite, 

 a short tine hair])eucil from apex of second joint abuve. Antennal 

 ciliations 5. Tliorax, abdomen grey. Forewings narrow, widest 

 near base, thence gradually narrowed, apex tolerably })ointed, 

 termen very obliquely rounded ; rather dark glossy purplish-grej- ; 

 an oblique Avhite line, suff'used in disc with yellow, from above 

 tornus to apical portion of costa, on which it is trifurcate, 



