VOL. 23 FEBRUARY 1921 No. 2 



PROCEEDINGS 



OF THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 



MAR 1 6 1921 





CONTENTS 



CAUDELL, A. N. - SOME NEW ORTHOPTERA FROM MOK.ANSHAN, CHINA ... 27 



CHAPIN, EDWARD A. - REMARKS ON THE GENUS H VSTRICHOPSYLLA TASCH. 

 WITH DESCRIPTION OF A NEW SPECIES 



CRAIGHEAD, F.C. - LARVA OF THE NORTH AMERICAN BEETLE SANDALUS NIGER 



K.NOCH .......................... 44 



CRAMPTON, G. C. NOTES ON THE ANCESTRY OF THE HYMENOPTERA ... 35 

 GREENE, CHARLES T. - DIPTEROUS PARASITES OF SAWFLIES ...... 41 



PUBLISHED MONTHLY EXCEPT JULY, AUGUST AND SEPTEMBER 



BY THE 



ENTOMOLOGICAL SOCIETY OF 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, 1918. 



