594 



SIE G. r. HAMPSON — REVISION OT MOTHS [NoV. 15, 



Key to the Genera. 



A. Palpi upturned. 



a. Palpi with the 3rd joint long, naked and acu- 

 minate, 

 a'. Palpi with the 2nd joint porrect, the 3rd 

 upturned. 

 a^. Both wings with veins 4, 5 stalked ; fore 



wing with vein 6 absent 1 . Ortlwr aphis. 



b^. Both wings with veins 4, 5 from cell ; fore 



wing with vein C> present 2. Neurophyseta. 



b-. Palpi with the 2nd joint upturned, 



a^. Hind wing with the median nervure pecti- 

 nated above, 

 a'. Fore wing with veins 10, 11 stalked, 

 a*. Maxillary palpi strongly dilated with 



scales 3. Psephis. 



i*. Maxillary palpi filiform 5. Bomophi/sa. 



b^. Fore wing with veins 10, 11 from cell. 

 a*. Maxillary palpi strongly dilated with 



scales 4. Gonodiscus. 



b^. Maxillary palpi long and filiform ; 



frons oblique 6. Scybalista. 



c*. Maxillary palpi small ; frons rounded. 



a°. Palpi with tufts of hair on 1st and 



2nd joints in front; antennfe 



lamellate 10. Lipocosma. 



b'. Palpi with the 2nd joint fringed 



with long hair ; antennre annulate. 9. Voliba. 

 b^. Hind wing with the median nervure non- 

 pectinate. 

 a^. Maxillary palpi long and dilated with 

 scales. 

 a*. Antennse ciliated ; both wings with 



the outer margin excised below apex. 12. Sufetula. 

 b^. Antennae laminate ; both wings with 

 the outer margin evenly rounded. 

 a=. Fore wing with veins 10, 11 stalked. 11. Cafapsephis. 

 b^. Fore wing with veins 10, 11 from 



cell 13. Erpls. 



6'. Maxillary palpi filiform and nearly as 



long as the labial 'J. Symphysa. 



c^. Maxillary palpi filiform and much shorter 

 than the labial. 

 «*. Palpi with the 2nd joint short and 

 not reaching vertex of head. 

 a^. Antenna; with the shaft annulate ... 14. Massepha. 

 b^. Antenna; with the shaft smooth. 

 a^. Frons rounded. 



a'. Hind wing with veins 3, 4, 5 

 approximated for a short dis- 

 tance 20. Eehimena. 



b''. Hind wing with veins 4, 5 

 approximated for a short dis- 

 tance 21. ZincJcenia. 



c'. Hind wing with veins 4, 5 not 



approximated towards origin. 22. Tabidia. 

 i'. Frons flat and oblique ; hind 

 wing with veins 4, 5 not a^jproxi- 

 mated towards origin Vd. Eavanoa, 



