ACRONYCTIN.E. 13 



a 8 . Abdomen with very large crest on 

 4th segment. 

 a. 9 . Melatborax with very large crest 



of long spatulate scales Harrisi.memna, p. f>48. 



h 9 . Metathorax with moderate crest ... Cuui.v, p. 651. 

 b 8 . Abdomen with the crests small. 

 a 9 . Fore wing with the terinen oblique 



towards torn us Iambia, p. 651. 



b 9 . Fore wing with the termcn evenly 

 curved. 

 t/ 10 . Fore wing long and narrow. 

 a n . Fore wing with the terinen 



erect Calogijamma, (2)p. 238. 



b u . Fore wing with the termen 



obliquely curved Pkodenia, (2) p. 240. 



b 10 . Fore wing short and broad Craniophora, (2)p. 51. 



6 8 . Thorax clothed with hair and hair-like 

 scales. 

 a'. Mesothoraxwith paired crests, patagia 



curled upwards at extremity Canna, (2) p. 19. 



b'i. Mesotborax without crests, patagia 



not curled upwards at extremity ... Conservui.a, p. 499. 

 j : >. Thorax without crests. 

 a 6 . Thorax clothed chiefly with scales. 

 a'. Palpi smoothly scaled and flattened 

 against irons ; fore wing narrow 



with the margins subparallel Cletiirorasa, (3) p. 343. 



//". Palpi not flattened against irons and 

 with a tuft of scales at extremity of 



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

 i G . Thorax clothed with hair and hair- 

 like scales Fagitana, p. 592. 



6 4 . Abdomen with dorsal crest at base only. 

 «5. Pro- and metathorax with divided 



crests Calpipormis, p. 504. 



b r ->. Prothorax with sharp triangular crest, 



metathorax with divided crest MacronoCtua, p. 431. 



c 5 . Prothorax with sharp triangular crest, 



metathorax with spreading crest Hydrcecia, (3) p. 35. 



d 5 . Prothorax with ridge-like crest, meta- 

 thorax with spreading crest A.ndroly.mnia, (3; p. 179. 



e 5 . Thorax with slight dorsal ridge-like 



crest Pyrriiia, (3) p. 52. 



ft. Pro- and metathorax with spreading 

 crests. 

 « 6 . Thorax clothed chiefly with scales. 

 o"i '. Pro- and metathorax with the crests 

 formed of very long spatulate scales. 

 a 8 . Fore wing with the apex produced [(3) p. 514. 



and acute Pcecilog ram ma, 



b*. Fore wing with the apex rounded... Opsvra, (3) p. 443. 

 &. Prothorax with long flattened crest 

 projecting backwards. 

 a 8 . Fore wing with the termen excised 



below apex and excurved at middle. Geroda, (3) p. 93. 

 h 8 . Fore wing with the termen evenly 



curved Macapta, (3) p. 96. 



ci . Prothorax with short spreading crest. 

 a 8 . Mesothorax with slight paired 



crests Crambodes, (2)p. 445. 



b 8 . Mesothorax without crests. 

 a 9 . Palpi upturned, the 2nd joint 

 reaching vertex of head. 

 a w . Build slender. 



