Explanation of Plate B. 



Fig. 1. Fore wing of Crambus laqueatellus. 



Fig. 2. Hind wing of Crambus laqueatellus. 



Fig. 3. Fore wing of Chilo plejadellus. 



Fig. 4. Hind wing of Chilo plejadellus. 



Fig. 5. Fore wing of Euchromius californicalis. 



Fig. 6. Hind wing of Euchromius californicalis. 



Fig. 7. Fore wing of Prionapteryx achatina. 



Fig. 8. Hind wing of Prionapteryx achatina. 



Fig. 9. Fore wing of Eugrotea dentella. 



Fig. 10. Hind wing of Eugrotea dentella. 



Fig. 11. Fore wing of Crambus laqueatellus, showing the spiny 



area at the base and the loop of modified scales through which 



the frenulum passes. 

 Fig. 12. View from the edge of the spiny area from the fore wing of 



Crambus laqueatellus. 



Fig. 13. Male frenulum of Crambus laqueatellus. 

 Fig. 14. Female frenulum of Crambus laqueatellus. 

 Fig. 15. Male antenna of Prionapteryx nebulifera. 

 Fig. 16. Male antenna of Pseudoschcenobius opalesealis 

 Fig. 17. Male antenna of Crambus laqueatellus. 



