358 GEORGE D. HULST. 



57. AETHAI>OPTERA n. gen. 

 Type intexf.af.a Walk. 



Palpi moderate, porrect, rather slender; tongue developed; front 

 smooth ; antennae of S filiform, with two pairs of fascicles of hairs 

 on each segment ; thorax and abdomen smooth, the latter tufted at 

 end ; hind tibise of S with hair pencil, swollen and with all spurs 

 in both sexes; fore wings with fovea below at base in both sexes, 11 

 veins in all specimens examined, 11 wanting 10 from cell; hind 

 wings 5 undeveloped, 6 and 7 separate, 8 separate from cell ; all 

 wings broad, even, rounded. 



Differs from Ectropis, especially in the hair pencil of the hind 

 tibise of the Z . 



Species. — C. intextata Walk, (anticaria Walk.) 



58. GLENA n. gen. 

 Type cognataria Hiib. 

 Palpi moderate, porrect, rough scaled ; tongue developed ; front 

 smooth ; antennae of % bipectinate, apex simple, of 9 sharply ser- 

 rate; thorax smooth above, slightly hairy below ; abdomen smooth; 

 hind tibise of % swollen, with hair pencil ; fore wings with fovea 

 below in both sexes, that of Z being large and prominent, 1 1 veins 

 in all specimens examined, 11 obsolete, 10 from cell, hind wings 5 

 undeveloped, 6 and 7 separate, 8 separate from cell. 



To be recognized more especially by the fovea of the fore wings 

 of the 9 , in which it agrees with Aethaloptera, but differs in the 

 bipectinate antennae of the % . 

 Species. — G. cognataria Hiib, 



G. minimaria Guen. (texanaria Hulst). 



59. ECTROPIS Hiib. 



Verz. 316, 1818. 



Type crepuscularia Bork. 



Tephrosia Bois., Index Meth. 198, 1840. type crepuxcularia Bork. 



Palpi moderate, rather light, porrect ; tongue developed ; front 

 quadrate, scaled ; antennae of Z filiform, with two pairs of fascicles 

 of hairs on each segment; hind tibiae somewhat swollen, without 

 hair pencil, with all spurs ; thorax and abdomen scaled ; fore wings 

 with fovea below in S , 12 or 11 veins; hind wings 5 undeveloped, 

 6 and 7 separate, 8 separate from cell ; all wings even, rounded, 

 broad. 



Species. — E. crepuscularia Schif, 

 E. grisearia Grt. 



