ACRONYCTIN^. » 



fi*. Frons with the corneous process not 

 pointed or keeled. 



a*. Palpi upturned A.>rEi-ui:>NTiA, (2) p. 417. 



f)'^. Palpi obliquely porrect Stiuioues, (3) p. 245. 



C-. Proboscis fully developed. 



o*. Eyes small, reniform Atina, (3j p. 449. 



/;•'. Eyes lai-ge, round. 

 a^. Thorax clothed chiefly with scales. 

 a^. Frons with trilobate plate below it : 



hind wing with veins 3,4 from cell... C'oriBRYoi'iin.A, (2")p. 226. 

 b'K Frons with triangular plate below it ; 



liind wing with veins 3, 4 stalked ... Prodicklla, (2jp. 227. 

 <?•>. Frons with the corneous plate belotv 

 it excised in front ; hind wing with 

 vein 5 from well below middle of cell. Ai.ei'tina, (2) p. 229. 



n-'. Thorax clothed with hair only Ipanica, (3jp. 450. 



e-. Frons with truncate conical prominence 

 with raised edges. 

 <(■■'. Abdomen with dorsal crests on basal 

 seErments. 



o 



«■•. Proboscis aborted, minute. 

 a^. Fore wing with the termen and cilia 



strongly dentate Cktola, (2) p. 182. 



i*. Fore wing with the termen and cilia 



slightly crenulate Atrki'iies, p. 284. 



//'. Proboscis fully developed, 

 fl^. Thorax with slight double ridge-like 



crest Stauroimdes, (2)p. 2t">9. 



l>'^. Pro- and metathorax with spreading 



crests Si'EOCROi'iA, p. 2.'>5. 



f5. Prothorax without crest, Lietathorax 



with large spreading crest Eudryas, (oj\). 401. 



#. Thorax without crests. 

 a^. Thorax clothed with rough hair and 



scales mixed Paratcerta, (3)p. 414. 



//•>. Thorax clothed with hair and hair-like 

 scales. 



CO. Palpi upturned Seudyka, (3) p. 420. 



h'. Palpi porrect Gerra, (3)p. 41(). 



/A Abdomen with dorsal crest at base only, 

 a''. Prothorax with spreading crest. 

 «5. Frons with flattened vertical process to 



the frontal prominence Ruacodes, (2jp. 537. 



b^. Frons with longceutral process hollowed 

 out in front to the frontal prominence. 



a<'\ Proboscis aborted, minute Sv-vcalama, (3) p. 228. 



i6. Proboscis fully developed Hauknei.la, (i:)p. 231. 



c5. Frons without central process to the 

 frontal prominence. 



f7«. Proboscis aborted Ecbolemia. p. 448. 



b^. Proboscis fully developed. 

 a'. Hind wing with vein 5 from middle 



of discocellulars Cata.mecia, (2)p.540. 



b'. Hind wing with vein 5 from below 

 middle of discocellulars. 



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



/A Frontal pi-ominence small Hyi'oi'eri(;ea, (2)p. 422. 



b*. Prothorax without crest. 

 «^. Frons with truncate process in middle 



of prominence Noci.oA, (3) p. 253. 



b^. Frons without truncate process in 

 middle of prominence. 



afi. Proboscis aborted, small Oslaria, (3)p. 257. 



i". Proboscis fully developed. 

 «'. F'ronlal prominence large. 



