ACRONrCTINJS. I 



h r \ Metathorax without, crest. 

 a 6 . Thorax clothed almost entirely with 

 scales. 



«". Proboscis aborted Merolecca, p. 687 



o>. Proboscis fully developed. 

 a*. Frons with corneous ridge above ... Necmcegehia, (3)p 224 

 b s . Frons without corneous ridge above. 

 a 9 . Fore wing with the apex rather 



produced and acute Xyeostola, (2)p 335 



/A Pore wing with the apex rounded . Acosmetia, (2) p. 412 

 6 . Ihorax clothed with hair and hair- 



like scales ....... Aucilasisa, (3)p. 338. 



c\ Thorax clothed with hair only Oxythres, (3)pf 367. 



/.'. Prons with vertical flattened process with 

 rounded edge. 



a?. Abdomen with dorsal series of crests Embolceci a. (3) p 59 



'-■Abdomen with dorsal crest at base only... Coi>ifr,,ntia, (3) p 5S 

 C-. t rons with transverse ridge. 



a 3 . Abdomen with dorsal series of crests Antiu (2)p °74 



/>■'. Abdomen with dorsal crest at base only. 

 « 4 . Pro- and metathorax with spreading 



crests Leuconycta, (2)p. 35. 



/> 4 . Pro- and metathorax without crests Polygr.uimata p 689 



m*. *rons smooth and without prominence. 

 a*. Proboscis aborted or absent. 

 a 4 . Abdomen with dorsal series of crests. 

 a*. Prothorax without crest, metathorax 



with spreading crest Bryomcea, p. 615. 



s . Ihorax without crests. 



«6. Palpi upturned, thickly scaled Acherdoa, p. 591 



^ Palpi porrect, Blunder Poliobrya, p. 617. 



0' . Abdomen with dorsal crest at base only. 

 65. Thorax clothed almost entirely with 

 scales. 



ft 6 . Prothorax with divided crest Piialerooes, (3) p. 263. 



ifi. Prothc rax without crest, 

 cu. Palpi with tbe 2nd joint reaching 



vertex of head Plusilla, p. 590. 



b'. ialpi with the 2nd joint reaching 



,. ™ about middle of frons Bryoleuca, p. 686. 



5 . Ihorax clothed with hair and hair-like 

 scales. 

 « 5 . Pro- and metathorax with spreading 



,, -p crests : ; ^ Calamistis, (3)p. 273. 



bf.J'rn- and metathorax without crests. 

 ft'. Fore wing very narrow and produced 



at apex Eceonciie, (2)p. 162. 



f>, b ore wing triangular Meroi.oncue, (2) p. 165. 



<" 4 . Abdomen without crests. 

 « s . Thorax clothed chiefly with scales. 

 a 6 . Hind wing with vein 8 anastomosing 



7« TT Wit j the Cel1 t0 near extre '"i y Acylita, (3) p. 304. 



t>K Mind wing with vein 8 anastomosing 



with the cell to middle Doerriesa, (3) p. 323. 



c . Hind wing with vein 8 anastomosing 

 with the cell near base only. 

 a'. Pro- and metathorax with spreading 



crests. ° EriuoriCA, (2) p. 418. 



f>'. I ro- and metathorax without crests. 

 « 8 . Palpi with the hair at extremity of 

 2nd joint produced to a point, the 



;s T i 3l ; clp0r, 'f t -; Dastona,(3)p. 312. 



ffi. Palpi with the 2nd joint slightlv 

 fringed with hair in front. 



a*. Palpi with the 3rd .joint porreot.. . Cilla, i 3) p. 312. 



o . Palpi with the 3rd joint upturned. Amoljta, <'■>> p. 308. 



