VOL. 20 FEBRUARY 1918 No. 2 



PROCEEDINGS 



OF THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 



CONTENTS ^ 



GAHAN, A. B. THREE NEW CHALCIDOID EGG-PARASITES ' 23 



HEINRICH, CARL ON THE -LEPIDOPTEROUS GENUS OPOSTEGA AND ITS 



LARVAL AFFINITIES .27 



PUBLISHED MONTHLY EXCEPT JULY, AUGUST AND SEPTEMBER 



BY THE SOCIETY 



OFFICE OF PUBLICATION 



2419-21 GREENMOUNT AVE. 



BALTIMORE, MD. 



EDITORIAL OFFICE, WASHINGTON, D. C. 



Entered as second-class matter February 28, 1913 at the post office at Baltimore, Maryland, 



under the act of August 24, 1912. Acceptance for mailing at special rate of postage 



provided for in Section 1103, Act of October 3, 1917, authorized 



on July 3, 1918. 



