VOL. 23 



MAY 1921 



No. 5 



PROCEEDINGS 



OF THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 



IMY 18 1921 



CONTENTS 



BAKER, A. C. ON THE FAMILY NAME FOR THE PLANT LICE 



CUSHMAN, R. A. THE MALES OF THE ICHNEUMONID GENERA MYERSIA AND 



THAUMATOTYPIDEA, WITH DESCRIPTIONS OF NEW SPECIES. (HYM.) . 109 



> 



GAHAN, A. B. REMARKS ON THE GENUS PLEUROTROPIS WITH DESCRIPTION 

 OF A PARASITE OF TRACHELUS TABIDUS FABRICIUS. (HYMENOPTERA : 

 CHALCIDOIDEA.) 113 



GREENE, CHARLES T. FURTHER NOTES ON AMBOPOGON HYPERBOREUS 



GREENE. (DIPTERA.) 107 



MC ATEE, W. L. DISTRICT OF COLUMBIA DIPTERA: SCATOPSIDAE 120 



PARKER,J. B. NOTES ON THE NESTING HABITS OF TACHYTES. (HYM.I . . 103 



PUBLISHED MONTHLY EXCEPT JULY, AUGUST AND SEPTEMBER 



BY THE 



ENTOMOLOGICAL SOCIETY OK WASHINGTON 



U. S. NATIONAL MUSEUM 



WASHINGTON, D. C. 



Entered as second-class matter March 10, 1919, at the Post Office at Washington, D. C., under 



Act of August 24, 1912. 



Accepted for mailing at the special rate of postage provided for in Section 1103, Act of October 

 3, 1917, authorized July 3, 191S. 



