THE GRAPE LEAF-HOPPER 



(Typlilocy'ba comes Say.) 



BY H. J. QUAYLE. 



GENERAL CONSIDERATIONS. 



Early Accounts. The grape leaf -hopper was first named and 

 described by Thomas Say 1 in the year 1825. Specimens were taken 



Fig. 1. Grape leaf showing first indication of injury due to hoppers. The 

 white specks represent where the insects have been feeding. 



that year from Missouri, and three or four years later it was reported 

 as an important pest of the vine in Massachusetts. Harris 2 in 1841 

 wrote the first complete account of the insect and fully appreciated 



'Jour. Acad. of Nat. Sciences. Phil, iv, 327. 

 2 Harris. Ins. Inj. to Vegetation, Flint Ed.. 227. 



