Washington 
West Virginia 
Wisconsin 
Wyoming 
Puerto Rico 
Hawaii 
Mexico 
Costa Rica 
Venezuela 
Brazil’ 
Egypt 
L. G-. Smith, Extension Entomologist, State College of 
Washington, Pullman?-.’ 
R. L. Webster, State College of Washington, Pullman 
M. H. Hatch, University of Washington, Seattle 
A. J. Hanson, Department of Entomology, Western 
Washington Experiment Station, Puyallup 
R, D« Shenefelt, State College of Washington, Pullman 
L. M. Peairs, West Virginia University, Morgantown 
E, L. Chambers, State Department of Agriculture, Madison 
C, L. Eluke, University of Wisconsin, Madison 
C. L. Corkins,- Office of State Entomologist, Powell 
M. Greenvald, Office of State Entomologist, Powell 
G. N. Wolcott, Insular Experiment Station, Rio Piedras 
0. H. Swezey, Hawaiian Sugar Planters’ Association, Honolulu 
Alfonso Dampf, Avenida Insurgent es 171, San Jacinto, 
Mexico, D. E. 
Luis Angel Salas E, , Assistant of the Agricultural 
Experiment Service, San Pedro de Oca 
C. H, Ballou, E.stacion Experimental de Agricultura y 
Zootecnia, Ministerio de Agricultura y Cria, Caracas 
E* J. Harableton, Institute Biologico, Sao Paulo 
A. H, Rosenfeld, Botanical and Plant Breeding Section, 
Ministry of Agriculture, El Giza 
