a 



b 



FIG. 172. Three cotton leaf-hoppers, commonly called "sharpshooters." 



(Much enlarged) 



a, Aulacizcs irrorata ; b, Oncometopia iindata ; c, Oncomciopia latcralis. (Authors' illustra- 

 tion, United States Department of Agriculture) 







C 



FIG. 173. Grape leaf-hoppers. (Much enlarged) 



a and b are female and male of typical comes variety ; c represents the -citis variety ; d, newly 

 hatched nymph ; e, last stage nymph ; /, injured leaf; g, cast skins. (After Marlatt, United 



States Department of Agriculture) 



126 



