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b*. Frons with the corneous process not 

 pointed or keeled. 



i7\ Palpi upturned Amefrontia, (2) p. 417. 



fo. Palpi obliquely porreet Stiriodes, (3)p. 245. 



<y. Proboscis fully developed. 



a*. Eyes small, renifortn Apisa, (3)p. 449. 



A 4 . Eves large, round. 

 a'\ Thorax clothed chiefly with scales. 

 a 6 . Frons with trilobate plate below it ; 



hind wing with veins 3, 4 from cell... Cofibryophila, (2)p. 226. 

 i fi . Frons with triangular plate below it ; 



hind wing with veins 3, 4 stalked ... Prodtcella, (2)p. 227. 

 c 6 . Frons witli the corneous plate below 

 it excised in front , hind wing with 

 vein 5 from well below middle of cell. Alepttna, (2) p. 2:20. 



h r : Thorax clothed with hair only Ipanica, (3)p. 450. 



?-. Frons with truncate conical prominence 



with raised edges. 

 a 3 . Abdomen with dorsal crests on basal 

 segments. 

 a 4 . Proboscis aborted, minute. 

 « 5 . Fore wing with the termen and cilia 



strongly dentate Cetola. (2) p. 182. 



6*. Fore wing with the termen and cilia 



slightly erenulate Atrepues, p. 2S4. 



A 4 . Proboscis fully developed. 

 a 5 . Thorax with slight double ridge-like 



crest Stadropides, (2)p. 2o9. 



//■'. Pro- and metathorax with spreading 



crests Speocropi a , p. 255. 



co. Prothorax without crest, metathorax 



with large spreading crest Eudryas, (3)p. 401. 



d s . Thorax without crests. 

 a 6 . Thorax clothed with rough hair and 



scales mixed Paratuerta, (3)p. 414. 



b 6 . Thorax clothed with hair and hair-like 

 scales. 



cu. Palpi upturned Seudyra, (3) p. 429. 



hi. Palpi porreet Gerra, (3)p. 41(>. 



6 3 . Abdomen with dorsal crest at base only. 

 « 4 . Prothorax with spreading crest. 

 a 5 . Frons with flattened vertical process to 



the frontal prominence Ruacodes, (2) p. 537. 



b 5 . Frons with longceutral process hollowed 

 out in front to the frontal prominence. 



« 6 . Proboscis aborted, minute Syncalama, (3)p. 228. 



b 6 . Proboscis fully developed Hadenblla, (2)p. 231. 



c 5 . Frons without central process to the 

 frontal prominence. 



a 6 . Proboscis aborted Ecbolemia, p. 448. 



b 6 . Proboscis fully developed. 

 a 7 . Hind wing with vein 5 from middle 



of discocellulars Catamecia, (2)p.540. 



b~. Hind wing with vein 5 from below 

 middle of discocellulars. 



a*. Frontal prominence large Procrateria, (2)p. 533. 



/- s . Frontal prominence small Hypoperigba, (2)p. 42l'. 



b A . Prothorax without crest. 

 a 5 . Frons with truncate process in middle 



of prominence Nocloa, (3) p. 253. 



b h . Frons without truncate process in 

 middle of prominence. 



a 6 . Proboscis aborted, small OslARIA. (3)p. 257. 



'/'. Proboscis fully developed. 

 ••"". Frontal prominence Large. 



