DECEMBER, 1923 
No. 6 
Vol. 16 
JOURNAL 
OF 
ECONOMIC ENTOMOLOGY 
Official Organ American Association of Economic Entomologists 
E. Porter Felt, Editor 
W. E. Britton, Associate Editor 
A. F. Burgess, Business Manager 
Advisory Committee 
H. A. Gossard Arthur Gibson E. F. Phillips 
C. H. Popenoe R. A. Cooley G. F. Ferris 
Published by 
American Association of Economic Entomologists 
Geneva, N. Y. 
Entered March 14, 1921, as second-class matter at the Post-office at Geneva, N. Y., under the Act 
of Congress of March 3, 1S79 
