South American Micro-Le'pido'ptera. 113 



in disc, its costal edge whitish : ciha dark purplish-grey. Hind- 

 wings dark fuscous ; cilia grey, a darker basal line. 



Brazil, Teffe, in Janiiaiy; one specimen. 



Dichomeris ptilocompa, n. sp. 



(j'$. 9-11 mm. Head, thorax grey. Palpi second joint dark 

 grey, in <^ with veiy long expansible fringe of hairs above, in $ scales 

 triangularly expanded towards apex, terminal joint whitish, anterior 

 edge and a subbasal band dark fuscous. Antennae ^ basal joint 

 with large blackish apical scale-tuft. Forewings elongate, costa 

 gently arched, apex obtuse, termen obliquely rounded ; leaden-grey ; 

 a moderate slightly oblique blackish fascia before middle, not reach- 

 ing costa, edged ochreous-yellow ; a small round dark fuscous spot 

 edged ochreous-yellow on end of cell, well separated from following 

 fascia ; a broad blackish fascia from £ of costa to tornus, anteriorly 

 edged by a rather oblique ochreous-yellow line indented in middle ; 

 subconfluent triangular blackish marginal dots round apex and 

 termen, separated anteriorly by ochreous- whitish or yellowish dots : 

 cilia, grey, a basal yellowish or ochreous-whitish shade round aj^ex 

 and upi^er part of termen. Hindwings dark grey; cilia grey, a 

 darker subbasal shade. 



Brazil, Teffe; Peru, Jurimagiias ; December to March, 

 seven specimens. Very like sumpiella, but margins of 

 markings yellower and discal spot well separated from 

 posterior fascia ; (^ also immediately recognised by antennal 

 tuft (not present in sionptella), and much longer hairs of 

 palpi. 



Dichomeris subdentata, n. sp. 



cj*. 10 mm. Head, thorax grey, face whitish-tinged. Palpi 

 second joint dark grey, with very long expansible fringe of grey 

 hairs above, terminal joint whitish, anterior edge and a subbasal 

 band dark fuscous. Antennae basal joint with large blackish 

 apical scale-tuft and acute horny tooth beneath this. Forewings 

 elongate, costa gently arched, apex obtuse, termen obliquely 

 rounded; leaden-grey; a triangular blackish finely white-edged 

 blotch from dorsum before middle, nearly reaching costa ; a round 

 blackish finely white-edged spot in disc touching posterior fascia; 

 a broad blackish fascia from | of costa to tornus, edged a,nteriorly 

 by a fine white hardly oblique line ; an irregular blackish marginal 

 line round aj^ex and termen preceded by a white line : cilia grey, 



TRANS. ENT. SOC. LOND. 1922. — PARTS I, 11. (JULY) I 



