ACEONYCTIN"^. i 



e^. Frons with truncate conical prominence 

 with raised edges. 

 «3. Abdomen with dorsal crests on basal 

 segments. 

 a-*. Proboscis aborted, minute. 

 flS. Fore wing, with the termen and cilia 



strongly dentate Cetola, (2) p. 182. 



i*. Fore wing with the termen and cilia 



slightly crenulate Atrephes, p. 284. 



¥. Proboscis fully developed. 

 «■'. Thoi-ax with slight double ridge-like 



crest Stauropides, (2)p. 269. 



b^. Pro- and metathoras with spreading 



crests Speocropia, p. 2.')5. 



c5. Prothorax without crest, nietathorax 



with large spreading crest Eudryas, p. 



d^. Thorax without crests. 

 o6. Thorax clothed with rough hair and 



scales mixed Paratuerta, p. 



b^. Thorax clothed with hair and hair-like 

 scales. 



a7. Palpi upturned Seudyra, p. 



h7. Palpi porrect Gerra, p. 



/;3. Abdomen with dorsal crest at base only. 

 a*. Prothorax with spreading crest. 

 a5. Frons with flattened vertical process to 



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



b^. Frons with long central process hollowed 

 out ia front to the frontal prominence. 



a6. Proboscis abfirted, minute Syncalama, p. 



68. Proboscis fully developed Hadenella, (2)p. 231. 



CO. Frons without central process to the 

 frontal prominence. 



o6. Proboscis aborted Ecbolemi A, p. 448. 



b^. Proboscis fully developed. 

 a^. Hind wing with vein 5 from middle 



of discocellulars Catamecia, (2) p. 540. 



b^. Hind wing with vein 5 from below 

 middle of discocellulars. 



aS. Frontal prominence large Procrateria, (2)p. 533. 



hs. Frontal prominence small Hypoperigea, (2) p. 422. 



6-*. Prothorax without crest. 

 a^. Frons with truncate process in middle 



of prominence Nocloa, p. 



b^. Frons without truncate process in 

 middle of prominence. 



a^. Proboscis aborted, small Oslarta, p. 



b*'. Proboscis fully developed. 

 a'. Frontal prominence large. 

 a^. Palpi upturned, 

 ft!". Mesothorax with paired crests ... Iambiodes, p.659. 



?)9. Meso thorax without crest Apocalymnia, p. 



68. Palpi porrect. 



«9. Eyes small, reniform Agaristooes, p. 



b^. Eyes large, round. 

 a^". Thorax clothed with hair and 

 scales mixed, 

 ft^i. Patagia fringed with long rough 



hair and scales Ovios, p. . 



ill. Patagia normal. 

 ai2. Abdomen with fan-like crest 



formed of scales Radinocera, p. 



612. Abdomen with tufted crest 



formed of hairs Erocua, p. 



