10 NOCTUID^. 



fr5. Fore wiDg with the termen evenly curved. 

 a6. Build stout. 

 cu. Pore wing with the termen crenulate. Amiana, p. 

 b^. Fore wing with the termen not 



crenulate Matopo, p. 



6". Build slender NbomilichiA, p. 



b*. Prothorax without crest. 

 «5. Thorax clothed chiefly with scales. 

 a^. Fore wing with the apex produced, 



the termen obliquely curved Fotella, p. 



b^. Fore wing with the apex not pro- 

 duced, the termen more erect. 

 a'. Antenna laminate, almost simple ... Tycracona, p. 

 b''. Antennae ciliated. 

 ftS. Fore wing narrow, the margins sub- 

 parallel Beyolymnia, p. 



68. Fore wing triangular Tkichocosmia, p. 



6\ Thorax clothed with hair only ......... BRYTimoECiA, p. 



c3. Abdomen without dorsal crests. 

 a"^. Eyes small, elliptical. 

 «5. Thorax clothed with rough hair and scales. Annaphila, p. 



h^. Thorax smoothly scaled Mesotrosta, p. 



b'^. Eyes large, round. 

 a^. Metathorax with crest. 

 a^. Prothorax with spreading crest. 



a'. Proboscis absent Acopa, p. 



4^. Proboscis aborted, small H^massia, p. 



c7. Proboscis fully developed Cea, p. 



b^. Prothorax without crest, 

 a'. Proboscis aborted, minute. 

 a^. Thorax clothed with hair and scales 



mixed Leiometopon, p. 



h^. Thorax clothed with hair only Sphida, p. 



b^. Proboscis fully developed Rabinopteryx, p. 



b^. Metathorax without crest. 

 ftS. Thorax clothed almost entirely with 

 scales. 



a7. Proboscis aborted Meroleuca, p. 687. 



h7. Proboscis fully developed. 

 a^. Frons with corneous ridge above ... Neumcegenia, p. 

 b^. Frons without corneous ridge above. 

 a^. Fore wing with the apex rather 



produced and acute Xylostola, p. 



h^. Fore wmg with the apex rounded . Acosmetia, p. 

 b''. Thorax clothed M-ith hair and hair- 

 like scales Aucilasisa, p. 



c^ Thorax clothed with hair only Oxythres, p. 



7^2. Frons with vertical flattened process with 



rounded edge Embolcecia, p. 



I". Frons with transverse ridge. 



a^. Abdomen with dorsal series of crests Antha, p. 



b^. Abdomen with dorsal crest at base only. 

 «4. Pro- and metathorax with spreading 



crests Leuconycta, p. 



7A Pro- and metathorax without crests Polygrammata, p. 689. 



m^. Frons smooth and without prominence, 

 a'^. Proboscis aborted or absent. 

 a'*. Abdomen with dorsal series of crests, 

 as. Prothorax without crest, metathorax 



with spreading crest Bryomcea, p. 616. 



h^. Thorax without crests. 



r/fi. Palpi upturned, thickly scaled Acherdoa, p. 591. 



h^. Palpi porrect, slender Poliobeya, p. 617. 



