NOCTtflDJE. 



b 3 . Pro- and metathorax with spreading 



crests; abdomen without crests Pseudohadena, p. 454. 



i 1 . Fore tarsus without claw-like spines on outer 

 side of 1st joint. 

 a" . Frons with truncate corneous prominence 

 with raised edges, its lower edges pro- 

 duced to a trilobate plate with corneous 

 plate below it. 



n 3 . Thorax clothed chiefly with scales Cytothymia, p. 



b 3 . Thorax clothed with rough hair and hair- 

 like scales Megalodes, p. 



bi. Frons with long trilobate process and cor- 

 neous plate below it. 

 a 3 . Proboscis aborted, small. 

 a*. Palpi oblique, reaching to beyond frons . Azf.nia, p. 



b 4 . Palpi porrect, very short Pseudinodes, p. 



b 3 . Proboscis fully developed. 



a 4 Eyes small, reniform Stemmapiiora, p. 



b 4 . Eyes large, round. 

 «5. palpi extending to just beyond frons. 

 a 6 . Metathorax with spreading crests ... Tristyi.a, p. 



b 6 . Thorax without crests Muparia, p. 



6\ Palpi very short and not reaching as 



far as frons Synth ymia, p. 



e\ Frons with long bilobate corneous process. 

 «•'*. Proboscis aborted, small. 

 a 4 . Frons with long triangular plate below it. Protiiri.nax, (2)p. 225. 

 /) 4 . Frons with short plate below it excised 

 in front. 

 a b . Thorax clothed with hair and scales, 

 the pro- and metathorax with spread- 

 ing crests Stilbina, (2) p. 16<S. 



fr. Thorax clothed almost entirely with 



scales and without crests Cyclopera, p. 



c 5 . Thorax clothed with hair and hair-like 



scales and without crests Oiiirocalama, p. 



c*. Frons without plate below it Arciianara, p. 



b 3 . Proboscis fully developed. 



a*. Metathorax with spreading crest Pipinacia, p. 



b 4 . Metathorax without crest jEgle, p. 



d 2 . Frons with rounded prominence with 

 shovel-shaped process at middle and cor- 

 neous plate below it. 



a 3 . Proboscis absent Hypeuthina, (2)p. 169. 



3 . Proboscis aborted, small. 

 « 4 . Frons with the corneons process some- 

 what pointed at extremity and keeled 



below Dipakopsis, p. 509. 



b*. Frons with the corneous process not 

 pointed or keeled. 



u'°. Palpi upturned Amefrontia, (2) p. 417. 



/<•"'. Palpi obliquely porrect Stiriodes, p. 



c-': Proboscis fully developed. 



a 4 . Eyes small, reniform Apina, p. 



b 1 . Eyes large, round. 

 a 5 . rp borax clothed chiefly with scales. 

 a 6 . Frons with trilobate plate below it ; 



hind wing with veins 3,4 from cell... C'opibryopiiii.a, (2)p. 226. 

 i 6 . Frons with triangular plate below it ; 



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

 c 6 . Frons with the corneous plate below 

 it excised in front , hind wing with 



vein ."> from well below middle of cell. A i.eptina. (2) p. 229. 

 b*>. Thorax clothed with hair only Ipamjca, p. 



