South American Micro-Lepidoptera. 229 



grey, sides whitish with obUque blackish-grey marks. Middle 

 femora with blackish apical tuft of scales beneath. Forewings 

 very narrowly lanceolate; grey -whitish, anterior half irregularly 

 sprinkled with dark fuscous, posterior half irrorated with dark 

 fuscous; markings white, strongly edged anteriorly with black 

 suffusion or irroration ; an oblique wedgeshaped mark from costa 

 before middle ; an oblique triangular spot on dorsum at |, and two 

 smaller ones between this and tornus ; an oblique white streak 

 from costa at |, almost meeting a triangular spot on tornus; an 

 incurved transverse line near apex : cilia pale greyish-ochreous, 

 round apex white with two lines of blackish points. Hindwings 

 light grey ; cilia pale greyish-ochreous. 



Peru, Huancayo, 10,650 feet, in July (Parish); two 

 specimens. 



Acrocercops crotalistis, n. sp. 



(J $. 8-9 mm. Head whitish. Palpi with scales somewhat 

 roughened anteriorly throughout, white, second joint sometimes 

 blackish-mixed towards apex, terminal joint with blackish basal 

 and median rings. Thorax whitish, sprinkled with fuscous. Abdo- 

 men light grey, anal tuft white. Middle femora with an expansible 

 tuft of blackish scales beneath. Forewings narrow-lanceolate; 

 ochreous-whitish, more or less sprinkled with dark fuscous and 

 sometimes with ochreous, posterior half more suffusedly irrorated 

 with dark fuscous; white oblique wedgeshaped marks, edged 

 anteriorly with blackish irroration, from costa before middle, at |, 

 and I, last reaching termen; similar marks from dorsum before 

 middle and towards tornus, and a dot at tornus, sometimes con- 

 nected with second costal, but all these are ill-defined and suffused 

 posteriorly : cilia white, with three rows of blackish points, on 

 upper part of termen with two greyish-ochreous bars, towards 

 tornus whitish-grey. Hindwings grey; cilia whitish -grey. 



Peru, Lima, 500 feet, and Chosica, 2800 feet, in July and 

 August {Parish) ; eight specimens. 



Acrocercops hapsidota, n. sp. 



(J $. 7-8 mm. Head ochreous-whitish. Palpi with scales of 

 second joint somewhat rough at apex beneath, whitish, with sub- 

 apical band of second joint and subbasal of terminal joint fuscous. 

 Thorax ochreous-whitish sprinkled with grey. Abdomen light grey, 

 apex ochreous-whitish. Forewings very narrow, parallel -sided, 

 short-pointed; whitish-ochreous irrorated with grey; some white 

 suffusion towards base of dorsum ; three narrow white fasciae edged 



