ENTOMOLOGICAL NEWS 



PROCEEDINGS 



ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES 



PHILADELPHIA 



VOLUME XXXI, 1920 



PHILIP P. CALVERT, Ph.D., Editor. 

 E. T. CRESSON, Jr., Associate Editor. 



HENRY SKINNER, M.D., Sc.D., Editor Emeritus. 



Advisory Committee: 

 Ezra T. Cresson H. W. VVexzel 



Philip Laurent J. A. G. Rehn 



LANCASTER, PA.: PHILADELPHIA, PA.: 



8 West King Street 1900 Race Street 



1920. 



