662 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, Vol. XX. 



¥. Forewing with the apex not produced; 

 hindwing with veins 3*4 from cell, 5 

 from middle of discocellulars . . Sphetta. 



b*. Thorax clothed with hair only. 



a 4 . Palpi upturned . . . . . . Sesamia. 



b*. Palpi porrect . . . . . . Simyra. 



Proboscis fully developed. 

 a 3 . Abdomen with dorsal series of crests. 

 a 3 . Thorax with double ridge-like crest, 

 a*. Thorax clothed chiefly with scales. 



a 5 . Forewing long and narrow, the termen 

 not excised towards tornus. 

 a e . Tegulse produced to a slight dorsal 



ridge . . . . ". . . . Delta. 



ft 6 . Tegulse not produced to a dorsal 

 ridge. 

 a 1 . Forewing very narrow, the termen 



obliquely curved . . . . Magusa. 



b 1 . Forewing broader, the termen 



more erect . . . . Parastichtis . 



b 5 . Forewing shorter, the termen excised 

 towards tornus. 

 a 6 . Palpi with the 2nd joint reaching to 



about vertex of head . . . . Stenoptert/gia,. 



b*. Palpi with the 2nd joint reaching 



to about middle of frons . . Dipterygia. 



b*. Thorax clothed with hair and hair-like 



scales . . . . . . . . Agroperina. 



IP. Thorax with broad ridge-like crest.. .. Eurdbila. 



c\ Prothorax with triangular crest. 



a 4 . Thorax clothed chiefly with scales . . Lophotyna. 



6 4 . Thorax clothed with hair only. 



a?. Forewing with the termen excised below 



Arein 4 . . . . . . . . Trigonophnra 



b s . Forewing with the termen evenly curved.. Chutapha. 

 <P. Pro-, meso- and meta thorax with large divi- 

 ded crests .. '".'. ".'. .. Mania. 

 e'\ Pro- and metathorax with divided crests. 

 a 4 . Thorax clothed chiefly with scales. 



a 5 . Abdomen dorsally flattened . . . . Cliecupa. 



b b . Abdomen not dorsally flattened. 



a e . Forewing with vein 5 nearly straight, 



from just below middle of discocellulars. LupUxidia. 



