HADENIN^. i 



6'. Abdomen witli dorsal crest on 1st segment 

 only, 

 a". Thorax clothed with liair and liair-like 



scales ; palpi with the ord joint short . Grapiiania, p. 488. 

 6". Thorax clothed with hair onlj' ; palpi 

 with the 3rd joint long and dilated at 



extremity Palponima, p. 432. 



6*. Frons with rounded prominence excised 



below above the corneous phite TuicnoRiiiZA, p. 13. 



C*. Frons with sliglit rounded prominence 

 with corneous plate below it. 

 a'. Abdomen with dorsal series of crests, 

 a^. Head and thorax clothed chiefly with 

 scales. 

 a''. Palpi upturned, the 3rd joint long ... Catepiiiodbs, p. 36. 



h''. Palpi oblique, the 3rd joint short Scotogeamma, p. 25. 



b^. Head and thorax clothed with hair and 



hair-like scales Dasygaster, p. 473. 



i\ Abdomen with dorsal crest on 1st segment 

 only. 

 a^. Thorax clotlied chiefly with scales. 

 a~. Palpi upturned, reaching vertex of 



head Nbphelistis, p. 250. 



b''. Palpi short, oblique Odontestra, p. 205. 



b^. Thorax clothed with hair and hair-like 

 scales. 

 «'. Tegulae dorsally produced into a ridge. Peesbctania, p. 386. 

 b'^. TeguliE not dorsally produced into a 



ridge Hadula, p. 243. 



c'. Abdomen without dorsal crest Meliana, p. 576. 



d^. Frons without prominence. 

 a\ Tegulte dorsally produced into a ridge. 

 a*^. Abdomen with dorsal series of crests ... Moertsonia, p. 336. 

 b''\ Abdomen with dorsal crest on 1st seg- 

 ment only, 

 a^. Thorax with dorsal ridge-like crest ... Perigrapiia, p. 403. 

 b''. Pro- and metathorax with spreading 



crests Xylomania, p. 389. 



c®. Abdomen without dorsal crest Monima, p. 409. 



P. Tegulaj not produced into a ridge. 

 a^. Thorax clothed chiefly with scales. 

 a'. Abdomen with dorsal series of crests. 

 a'^. Fore wing narrow ; veins 7, 8, 9 



stalked Erana, p. 7. 



h'^. Fore wing broad, triangular ; vein 9 

 from 10 anastomosing with 8 to form 



the areole Polia, p. GO. 



6'. Abdomen with dorsal crest on 1st seg- 

 ment only Hahe-va, p. 20S. 



i". Thorax clothed wicn hair and hair-like 

 scales, sometimes with a few scales on 

 upper edge of patagia. 

 cf. Abdomen with dorsal series of crests, 

 a**. Prothorax with triangular ridge-like 



crest TiRACOLA, p. 257. 



b"*. Prothorax with spreading crest PACnBTRA, p. 203. 



b''. Abdomen with dorsal crest on 1st seg- 

 ment only, 

 a'*. Palpi with the 3rd joint long and 



porrect Proteinania, p. 290. 



