REVISION OF THE PARASITIC HYMENOPTEROUS 



INSECTS OF THE GENUS APHYCUS MAYR, 



WITH NOTICE OF SOME RELATED 



GENERA 



BY 



P. H. ^TIMBERLAKE 



Of the Bureau of Entomology, United States Department of Agriculture 



No. 2136. From the Proceedings of the United States National Museum, 

 Vol. 50, pages 561-640, with Plates 26-31 



Published May 31, 1916 



Washington 



Government Printing Office 

 1916 



