erastrtax.t:. 



c-. Frons with conical prominence. 

 >r\ Prothorax with oblique flattened crest ... Stenoloba, p. 366. 

 IrK Prothorax without crest. 

 «*. Palpi with the 2nd joint fringed with 



li air above towards extremity Perynea, p. 201. 



b*. Palpi with the 2nd joint not fringed 

 with hair above towards extremity. 

 os. Frons with rather truncate prominence. Conacontia, p. 702. 

 fc. Frons with acutely pointed prominence. 

 a 6 . Hind wing with veins 3, 4 stalked ... Styi.orache, p. 701. 

 A 6 . Hind wing with veins 3, 4 from cell. 

 a'. Thorax smoothly clothed with scales Tiiyatiiuxa, p. 650. 

 b'i. Thorax clothed with rough hair and 



epatulate scales Exyra, p. 651. 



d 2 . Frons with rounded prominence. 

 a 3 . Abdomen with dorsal series of crests. 

 a*. Abdomen with large dorsal crests on 



terminal segments Chlorocodia, p. 350. 



o*. Abdomen without crests ou terminal 

 segments. 

 a 5 . Abdomen with large crests on 3rd and 

 4th segments; fore wing without 

 scale-tooth on inner margin towards 



tornus Bryocodia, p. 470. 



6 s . Abdomen with large crest on 3rd seg- 

 ment ; fore wing with scale-tooth 



on inner margin towards tornus CEderastria, p. 485. 



k 3 . Abdomen with dorsal crest at base only. 

 t< '. Fore wing with the termeu excurved 



at middle and oblique towards tornus, PaRACODIA, p. 352. 

 h*. Fore wing with the term en evenly curved. 

 s . Palpi upturned, the 2nd joint reaching 

 to vertex of head. 

 a 6 . Fore wing broad, the apex rounded, 



the termeu slightly erenulate Diastema, p. 645. 



b s . Fore wing narrow, the apex some- 

 what produced, the termeu not 



erenulate CnOBATA, p. G17. 



b : '. Palpi oblique, the 2nd joint reaching 

 about to middle of frons. 

 r< 3 . Meta thorax with decumbent crest ... Lophorachb, p. 648. 



M. Metathorax without crest Phvllophila, p. 3^2. 



c :! . Abdomen without crests. 

 a*. Hind wing with vein 5 nearly fully 

 developed from well below middle of 

 discocellulars. 



«\ Eyes small, elliptical , TlUCllOTARACIIB, p. 705. 



ft 6 . Eyes large, round. 

 a 6 . Frons with slight ridge across the 

 prominence. 



a". Palpi upturned XaNTHOPTBRA, p. 654. 



ft?. Palpi porrect Erastuia, p. 658. 



b 6 . Frons without ridge across the pro- 

 minence, which is sometimes slightly 

 roughened at middle. 



a'. Palpi upturned CrBTONIA, p. I 



!■'. Palpi porrect TaraChb, p. >'-■'•■ 



6*. Hind wing with vein 5 almost obsolete 

 from middle of discocellulars. 

 a 8 . Frontal prominence and plate well 

 developed, the former with slight 

 raised rim at extremity Tarachidia, p. < 



