Vol. 13 
AUGUST, 1920 
No. 4 
JOURNAL 
OF 
ECONOMIC ENTOMOLOGY 
Official Organ American Association of Economic Entomologists 
L. 0. Howard 
R. W. Harned 
t 
.. . .. 
E. Porter Felt, Editor 
W. E. Britton, Associate Editor 
A. F. Burgess, Business Manager 
Advisory Committee 
S. A. Forbes V. L. Kellogg 
W. J. Schoene P. J. Parrott 
Published by 
American Association of Economic Entomologists 
Concord, N. H. 
Entered as second-class matter Mar. 3, 1908, at the post-office at Concord. N. H., 
under the Act of Congress of Mar. 3, 1879. 
