860 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



7. Fork of the iliscal vein long and closed l)y a cross vein S 



Fork of the discal vein short and njien : ..Protalinia 



8. Inner margin of fore wing sinuate Episibine 



Inner margin of fore wing straiglit Mirem 



9. Inner margin of fore wing sinuate Slbine 



Inner margin of fore wing entire 10 



10. Palpi porrect or oblique, not reaching the vertex of head 11 



Palpi twice as long as the head, reaching the vertex Tali ma 



11. Fore wings with vein 10 usually stalked with 7-9; wings with little or no 



green Eucu'ci 



Fore wings with vein 10 usually from the cell; wings with much green 12 



12. Antennae of male ))ipectinated on the basal half or less Parasa 



Antennae of male l)ipectinated for two-thirds Pamdea 



13. Palpi long, three times as long as head " Vipmnia 



Palpi shorter, not over twice as long as head 14 



14. Palpi reaching to near, ( )r above vertex 15 



Palpi not reaching vertex 19 



15. Middle spurs of hind tibiae absent 16 



Middle spurs of hind tibiae present 17 



15. Costa of fore wings convex Isochntes 



Costa of fore wings straight Hepiulopm 



17. Palpi reaching aljove the vertex, the third joint long and slender Semyra 



Palpi reaching near the vertex, third joint short, obtuse 18 



18. Antennje of male slender, shortly l>ipectinate Euprosterna 



Antennte of male stout, broadly bipectinate Platyprosterna 



19. Veins 2 and 3 of fore wings separate 20 



Veins 2 and 3 of fore wings stalked 27 



20. Middle spurs of hind tibiae absent Sisyrosea 



Middle spurs of hind tibiae present 21 



21. Hind wings witli vein 6 absent, coincident with 7 Cryptophohi'tro)) 



Hind wings witii the venation normal 22 



22. Palpi reaching well beyond the front 23 



Palpi not reaching beyond the frontal tuft 25 



23. Fore wing with vein 7 from the cell 24 



Fore wing with vein 7 stalked " Heuretea 



24. Palpi obliquely porrect, truncate Natada 



Palpi upturned to near vertex Euphobetro)i 



25. Head sunken 26 



Head subprominent Alarodia 



26. Male with triangular hind wings, dissimilar to the female Phobetrou 



Male with rounded hind wings, similar to the female Lencophobetron 



27. Hind tibia' with middle spurs present; palpi to front Peroln 



Hind tibiae with the middle spurs absent 28 



28. Palpi short, not exceeding the frontal tuft Paleophobetron 



Palpi longer, reaching the middle of the front Epiperola 



29. Antennte with rod-like single pectinations Tanadema 



Anteniue uniserrate Dkhromapteryx 



Antenna' with broad lamellar pectinations Ufomia 



30. Middle spurs of hind tibia' absent 31 



Middle spurs of hind tibite present ,32 



31. Palpi reaching above verte.x ; head sunken Pseudovipsania 



Palpi reaching halfway to vertex ^ Heterogenea 



(' Not certainly placed, from lack of material. '' Kromvd Reakirt may fall here. 



