HARRISON G. DYAR. 6 



Key to the Genera. 



1. Fore wings with no tuft of scales on the inner margin 2. 



Fore wings with a tuft of such scales 44. 



Fore wings with such a tuft and another at the outer angle 52. 



2. End of abdomen without a tuft of long scales 3. 



End of abdomen with such a tuft of scales 55. 



3. Hind wing with vein 5 (V2) present 4. 



Hind wing with vein 5 absent 42. 



4. Primaries produced and narrow 5. 



Primaries not produced and broad 19. 



5. Primaries with the inner margin produced into a triangular lobe>ISorraca. 

 Primaries with the inner margin produced into a rounded lobe. -Turiiava.. 

 Primaries with the inner margin evenly rounded 6. 



6. Apex of primaries acute 7. 



Apex of primaries rounded 13. 



7. Primaries very long 8. 



Primaries shorter 10. 



8. Primaries with an accessory cell Baradesa. 



Accessory cell absent 9. 



9. Antennte of % pectinated to the tip Racliia. 



Antennse pectinated on the basal two-thirds Hoplitis. 



10. Palpi upturned, reaching above vertex of head 11. 



Palpi porrect Raiiie»ia. 



11. Primaries with a short accessory cell, vein 10 (uu) given oif after it.Pydiia. 

 Accessory cell long, vein 10 given off from it 12. 



12. Antennfe of % fasciculate Ceira. 



Antennse lengthily bipectinate Toroiia. 



13. Accessory cell absent - Ellida. 



Accessory cell present 14. 



14. Vein 10 (iiiz^ arising from the top of the accessory cell 15. 



Vein 10 arising beyond the tip of the accessory cell 18. 



15. Vein 5 of primaries from the center of the cell 16. 



Vein 5 from the cross-vein near the upper angle of the cell Damata. 



16. Palpi slight and fringed with hair XigaiKlii. 



Palpi broad and rounded 17. 



17. Antennte of % pectinated to the tip Oargetta. 



AntenniB of % with the terminal half filiform Thacoua. 



18. Antennaj of 'J, fasciculate I'lialera. 



Antennte of % pectinated on the basal two-thirds. . . ... Exsereta. 



19. Primaries without accessory cell 20. 



Accessory cell present 28. 



20. Outer margin of primaries irregular 21. 



Outer margin evenly curved 22. 



21. Veins 7-10 (iiia-iiis) arising close together from a long stalk or a small stalked 



areola Apatelodes. 



Vein 7 (iiis) arising remote from veins 8-10 ZarailgH. 



22. Veins 3 and 4 (V3-vii') of secondaries arising from the cell 23. 



Veins 3 and 4 stalked in the % 25. 



TRANS. AM. KNT. SOC. XXIV. JANUARY. 1897. 



