ACRONYCTIN^, 13 



ys. Tliorax without crests, 

 ft". Thorax clothed chiefly with scales. 

 aj. Palpi smoothly scaled and flattened 

 against frons ; fore wing narrow 



with the margins Bubparallel Clethrorasa, p. 



W. Palpi not flattened against frons and 

 with a tuft of scales at extremity of 



2nd joint; fore wing triangular ... Neopii.ems, p. 681. 

 Ifi. Thorax clothed with hair and hair- 

 like scales ■. Fagitana, p. 592. 



icf. K bdomen with dorsal crest at base only. 

 «5. Pro- and metathorax with divided 



crests Oalpiformis, p. .504. 



h'>. Prothorax with sharp triangular crest, 



metathorax with divided crest Macronoctua, p. 431. 



c5. Prothorax with sharp triangular crest, 



metathorax with spreading crest Hydrcecia, p. 



dp. Prothorax with ridge-like crest, meta- 

 thorax with spreading crest Androly.mnia, p. 



e>. Thorax with slight dorsal ridge-like 



crest Pyrriiia, p. 



/s. Pro- and metathorax with spreading 



crests. 



ftfi. Thorax clothed chiefly with scales. 



(i1. Pro- and metathorax with the ci-ests 



formed of very long spatulate scales. 



a^. Fore wing with the apex produced 



and acute Pcecilograiima, p. 



}fl. Fore wing with the apex rounded... Opsyra, p. 

 h~'. Prothorax with long flattened crest 



projecting backwards. 

 «8. Fore wing with the termen excised 



below apex and excurved at middle. Geroda, p. 

 h^. Fore wing with the termen evenly 



curved Macapta, p. 



c". Prothorax with short spreading crest, 

 a*. Mesothorax with slight paired 



crests Crambodks, (2) p. 445. 



Ifi. Mesothorax without crests. 

 a9. Palpi upturned, the 2nd joint 

 reaching vertex of head. 

 «'o. Build sleuder. 

 all. Hind wing with vein 5 from 

 middle of discocellulars. 

 «12. Foi'e wing with the termen 



excised from apex to middle. Gonodes, (2) p. 450. 

 h^". Fore wing with the termen ^ 



evenly curved. 

 dS''. Fore wing with the apex 

 somewhat produced and 



acute Platvsenta, (2)p. 447. 



^13. Fore wing with the apex 



rounded Monodes, (2)p. 4.57. 



511. Hind wing with vein 5 from 



below middle of discocellulars. Hadjina, (2)p. 521. 



ftio. Build stout Monoptya, p. 432. 



}fi. Palpi upturned, the 2nd joint 

 reaching about to middle of fious. 



ffio. Thorax roughly scaled Hypoplexia, p. 426. 



5'i'. Thorax smoothly scaled, 

 all. Palpi with the 3rd joint porrect. 

 ai2_ Tegulse produced to a slight 



dorsal ridge and hood Catabena, (2) p. 234. 



Ji'. Tegulse normal Najiangana, (2)p. 544. 



