458 NOCTUID^. 



E. Fore wing with an areole. 



a. Fore wing with reins 9 and 10 anastomosing 

 with 8 to form tlie areole. 

 a\ Thorax with dorsal ridge-like crest ; 



hind wing with scale-fan at tornus Metaptya, p. 601. 



b^. Thorax without dorsal ridge-like crest ; 

 hind wing without scale-fan at tonius. 

 a". Foi'e wing with scale-tooth at tornus ... Plusiocalpe, p. 598. 

 b'^. Fore wing without scale-tooth at tornus. 

 a^. Abdomen with dorsal crests on basal 

 segments. 

 a4. Palpi with the 2nd joint reaching 



to vertex of head, the 3rd long ... Metaleptina, p. 620. 

 b^. Palpi with the 2nd joint reaching 

 to middle of frons, the 3rd 

 short in male, moderate in 



female Chloriola, p. 515. 



P. Abdomen with large fan-shaped basal 



crest Ptyonota, p. 579. 



c^. Abdomen with minufe basal crest. 

 a^. Fore wing with the areole minute ; 

 hind wing with vein 5 from angle 



of cell Eeara, p. 581. 



i"*. Fore wing with the areole long; 

 hind wing with rein 5 from above 



angle of cell Gelastocera, p. 583. 



d'-K Abdomen without crests. 



a^. Build slender ; thorax clothed with 



hair and scales mixed Sinna, p. 465. 



i^. Build stout ; thorax clothed witli 



hair only Tyjipanistes, p. 587. 



b. Fore wing with vein 9 from 10 anastomosing 

 with 8 to form the areole. 

 c/}. Hind wing with vein 5 stalked with 3, 4 ... Ciiandica, p. 478. 

 b\ Hind wing with vein 5 from just above 

 angle of cell. 

 C-. Fore wing with scale-tooth at middle of 

 inner margin, 

 a-^. Fore wing with the termen angled at 



vein 4 Gonioxestis, p. 637. 



b^. Fore wing with the termen evenly 



curved. 



a\ Fore wing with scale-tooth at 



tornus ; hind wing with vein 8 



anastomosing with the cell near 



base only Odontestis, p. 632. 



ft'*. Fore wing without scale-tooth at 

 tornus; hind wing with vein 8 

 anastomosing with the cell to 



beyond middle Arcyopiiora, p. 642. 



l"^. Fore wing without scale-tooth at middle 

 of inner margin. 

 «•'. Abdomen with dorsal crests on basal 

 segments. 

 a'^. Fore wing with scale-tooth at 



tornus Hypodeva, p. 599. 



6*. Fore wing without scale-tooth at 

 tornus. 

 a^. Prothorax with triangular ridge- 

 like crest ; fore wing with the 

 termen excised below apex and 

 excurved at middle Macrociitiioxia, p. 635. 



