On Certain Grass-Eating Insects. 57 



EE. Fore wing narrow, outer margin strongly curved, tip 

 acute. 



F. Stripe not branching near middle of discal cell. PI. 

 XIV., Fig. 25. 2^. floridus^^ 



FF. Stripe branching near middle of discal cell, the 

 branch extending along vein VII^ almost to the 

 subterminal line. PI. XIV., Fig. 27. 



2^. satrapellus. 

 CC. Two white stripes on the discal cell separated by a well 

 defined rufous stripe of nearly equal width. 

 D. Only black dots at the tips of the veins on the outer 



margin. PI. XIV,, Fig. 22. 22. agitatellus/^ 



DD. Black dots and black lines extending from the dots 

 along the veins almost to the subterminal line. PI. 

 XIV., Fig. 26. 26. laqueatellus.^ 



CCC. No white discal stripe. 



D. A rather indistinct silvery discal stripe; size very 

 small; apex of wing acute. PI. XIV., Fig. 23. 



2^. mininiellus. 

 DD. No discal stripe. 



E. Fore wing marked longitudinally with irregular dull 

 black lines on a dull yellowish background. PI. XIV., 

 Fig. 19. 79. topiarius.^ 



AAA. Ground color fore wings white. 



B. Fore wing nearly pure white. PI. XIV., Fig. 18. 



18. innotatellus ^ 



BB. Fore wings not pure white. 



C. Markings black. PI. XIV., Fig. 16. 16. turbatellus,^ 

 CC. Markings a rich brown. PI. XIV., Fig. 15. 



75. elegans.^ 

 CCC. Markings yellowish and black. 



D. A longitudinal yellow stripe. PI. XIII., Fig. 14. 



7/. giradellus.^ 

 DD. No longitudinal yellow stripe, subterminal line bor- 

 dered with light yellow. PI. XIV., Fig. 20. 



20. albelhis.^ 



