PYRAUSTIDAK 



2. 

 3. 

 4. 

 5. 

 6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 



15. 



16. 



17. 



18. 

 19. 



Forewings with 10 rising out of 9 14. Perinephela. 



„ „ 10 separate 15. Phia'ctaenia, 



Forewings with 10 rising out of 9 . .4. 



„ „ 10 separate . . .9. 



Ocelli obsolete . . . .4. Cataclysta. 



„ distinct . . .5. 



Tongue obsolete . . 3. Donacaula. 



„ developed . . . .6. 



Posterior tibiae in o* with outer middle- 

 spur £ 13. Eurrhypara. 

 ,, with outer middle-spur |-§ . 7. 



Labial palpi ascending 

 „ „ porreoted 

 Antennae almost 1 



5. NympiiuiiA. 

 8. 

 8. Stenia. 

 17. Psammotis. 

 . 10. 

 . 11. 

 22. Cynaeda. 

 21. Loxostege. 



Face forming a horny prominence 

 „ without horny prominence . 

 Forewings with large dorsal scale-tooth 



,, without large scale-tooth 



Abdomcnin 3 with large dense genital tuft 10. Margaronia. 



,, „ without such tuft , .12. 



Antennae over £ . . . .9. Antigastra. 



„ $ or less . . . .13. 



Labial palpi ascending . . . .14. 



„ „ porrected . . . .16. 



Terminal joint of labial palpi triangularly tufted 



11. Agroteua. 

 „ „ „ „ not tufted . 15. 



Terminal joint of palpi short, thick, obtuse 12. Notarcha. 

 ,, „ ,, moderate, slender, some- 



what pointed 6. Hydrocampa. 

 Labial palpi dilated towards apex 1. Acentropus. 



,, ,, not dilated terminally . .17. 



Maxillary palpi triangular or with defined apical 

 dilation 

 ., „ filiform or with apex loosely peni- 



cillate .... 

 Terminal joint of labial palpi exposed 



„ ,, ,, „ concealed in scales 



of second 



Second joint of labial palpi tufted beneath 23. ScOPARIA, 

 ., ., ,. „ with soales diminishing 



throughout 2. Scuoenohius, 



18. 



21. 

 19. 



20. 



