VOL. 13 APRIL, 1920 
No. 2 
Official Organ American 'Association of Economic Entomologists 
• iJVjf.'J,' ,'H 
L. 0. Howard 
R. W. Harned 
E. Porter Felt, Editor 
W. E. Britton, Associate Editor 
A. F. Burgess, Business Manager 
Advisory Committee 
S. A. Forbes 
W. J. Schoene 
M 
V. L. Kellogg 
P. J. Parrott 
Published by 
American Association of Economic Entomologists 
Concord, N. H. 
Entered a* second-class matter Mar. 3, 1908, at the post-office at Concord, N. H,, 
under Act of Congress of Mar. 3, 1879. 
