UNITED STATES NATIONAL MUSEUM BULLETIN 261 



Taxonomic Study 

 of the Gicadellinae 

 Homoptera: Cicadellidae) 

 Part 1 Proconiini 



DAVID A. YOUNG 



Department of Entomolo^ 

 North Carolina State University at Raleigh 



SMITHSONIAN INSTITUTION PRESS 



WASHINGTON, D.C. 



1 968 



