ACRONYCTIN.r,. 



15 



c*. Abdomen without dorsal crests. 

 a*. Thorax with dorsal ridge-like crest; 

 frons with projecting corneous plate 



below it ECCLETA, p. G85. 



fa. Prothorax with triangular crest ; meta- 

 thorax with double ridge-like crest. 

 a 6 , fore wing with the termen strongly 



excurvod at middle Brachyx \vi iiia. p. 



Ifi. Fore wing with the termen evenly 



curved Lopiiocalama, p. 



c 5 . Prothorax with triangular crest, meta- 



thorax with spreading crest Ipimorimia, p. 



(/■\ Prothorax with spreading crest, ineta- 



thorax with divided crest: Tualpopiiila, p. '579. 



e 5 . Fro- and metathorax with spreading 

 crests. 

 a 6 . Thorax clothed chiefly with scales. 

 « 7 . Fore wing long and narrow. 

 cfi. Palpi with the 2nd joint reach- 

 ing vertex of head Ak.v.a, p. (>S8. 



/. 8 . Palpi with the 2nd joint nut reach- 

 ing middle of frons Sykrusjs, p. 5U8. 



/;". Fore wing broad. 

 « s . Palpi with the 2nd joint reaching 

 vertex of head . 

 a 9 . Palpi with the 3rd joint long. 

 a 10 . Hind wing with vein ;"> from 



middle of discocellulars Gracilipalpus, p. 42. 



b 10 . Hind wing with vein 5 from 



below middle of discocellulars. Sblambina, p. 516. 

 #>. Palpi with the 3rd joint moderate. 

 a 10 . Palpi with the 3rd joint porrect. 

 a 11 . Fore wing with the apex pro- 

 duced Callogonia, p. fi89. 



ft 11 . Fore wing with apex rounded... (Jarbona, (2) p. oGU. 

 b u >. Palpi with the 3rd joint up- 

 turned ; fore wing with the 

 apex somewhat produced and 



acute Strigipiilebia, (2) p. 283. 



b 8 . Palpi with tlie 2nd joint reaching 



about middle of frons Ampiiidrina, (2)p. 294. 



Ifi. Thorax clothed with hair and hair-like 



scales 



a 7 . Palpi with 2nd joint reaching vertex 

 of head ; hind wing with the termen 



excised at discal fold Stygiostola, p. 44. 



b't. Palpi with the 2nd joint reaching 

 middle of frons ; hind wing with the 

 termen evenly curved. 

 a 8 . Palpi with the 3rd joint porrect ; 



fore wing narrow Luperina, p. 46(5. 



// s . Palpi with the 3rd joint upturned ; 



fore wing broader Meristis, p. 



/5. Prothorax with spreading crest ; tneta- 

 thorax without crest. 

 « fi . Fore wing narrow, the margins sub- 

 parallel. 

 w. Palpi with the 2nd joint reaching 

 vertex of head. 

 <7 S . Hind wing with veins 3, 4 stalked. Hypostilbia, (2) p. 293. 

 /* 8 . Hind wing with vein«3, 4 from cell. Atjietis, (2)p. 29G. 

 b"< '. Palpi slender, the 2nd joint reaching 



middle of frons Argyrospila, p. 



