Micro- Lc'pidoptera from Bolivia and Peru. 21 



PsittacasHs trierica, n. sp. 

 (^ 5 . 14-16 mm. Head wliitish-ochreous, with central fuscous 

 or (lark fuscous streak on crown, lower half of face white. Palpi 

 whitish, second joint with three well-marked dark fuscous bands, 

 terminal joint pale ochreous with two faint fuscous bands, tip white. 

 Antennae dark grey ringed with whitish. Thorax light ochreous- 

 brownish, anteriorly with a dorsal stripe and basal sj)ot on patagia 

 dark fuscous. Abdomen fuscous, beneath whitish-ochreous. Fore- 

 wings elongate, rather narrow, costa gently arched, apex forming a 

 narrow falcate prominence above a deep abrupt oblique excavation 

 separating it from a shorter moderately broad rounded tornal promi- 

 nence ; ochreous-brown, paler and whitish-sprinkled towards dor- 

 sum ; an oblique triangular spot of dark fuscous suffusion on base 

 of dorsum, edged with whitish suffusion ; a straight oblique streak 

 composed of two ochreous-whitish lines separated by grey suffusion, 

 running from ^ of costa to middle of dorsum ; a trapezoidal white 

 spot on costa before middle, beneath suffused with whitish-ochreou.s ; 

 below this is a patch of dark grey suffusion containing a whitish- 

 ochreous ring centred with dark fuscous ; two oblique white costal 

 strigulae beyond middle, first giving rise to a very oblique bluish- 

 leaden-metallic line dilated downwards, surrounded with orange- 

 ferruginous suffusion, and terminating in a suffused white spot which 

 almost reaches terminal indentation, second strigula finely black- 

 edged posteriorly and soon running into this line ; an oval leaden- 

 metallic spot in disc at f, followed by a spot of ochreous-white 

 suffusion ; tornal area indistinctly streaked longitudinally with 

 white and blackish irroration ; a white spot occujiying tornal promi- 

 nence, centred with a black dot ; apical prominence whitish-ochreous, 

 separated by a dark fuscous spot from an inwardly oblique ochreous- 

 whitish costal strigula, costa between this and the preceding strigulae 

 suffused with dark fuscous : cilia whitish-ochreous, with a subbasal 

 line of dark fuscous irroration. Hind-wings grey, darker posteriorly ; 

 cilia grey. 



Bolivia, Songo; three specimens. 



PsittacasHs gaidica, n. sp. 

 $. 17-18 mm. Head whity-brownish, forehead suffused with 

 violet-grey, lower part of face whitish. Palpi pale ochreous, second 

 joint whitish towards base, with two indistinct fuscous bands, 

 terminal joint with two indistinct fuscous bands. Antennae pale 

 ochreous suffusedly ringed with dark fuscous. Thorax pale ochreous 

 suffusedly mixed with fuscous or dark fuscous. Abdomen whitish- 

 ochreous more or less suffused with grey. Fore- wings elongate, costa 



