GUIDE 



TO THE 



Insects of Connecticut 



PREPARED UNDER THE DIRECTION OF 



WILTON EVERETT BRITTON, Ph.D., 

 State Entomologist, and Entomologrist of the Connecticut Agricultural Experiment Station 



PART III 



The Hymenoptera, or Wasp-like Insects, 

 of Connecticut 



By 



V HENRY LORENZ VIERECK, 



Assistant Biologist^ U. S. Biological Survey 



WITH THE COLLABORATION OF 



Alexander Dyer MacGillivray, Ph. D., 



Associate Professor of Systematic Entomology, University of Illinois 



Charles Thomas Brues, M. S., 



Instructor in Economic Entomology, Bussey Institution, Harvard University 



William Morton Wheeler, Ph. D., 



Professor of Economic Entomology, Bussey Institution, Harvard University 



Sievert Allen Rohwer, 



Specialist in Forest Hymenoptera, U. S. Bureau of Entomology 



HARTFORD 



Printed for the State Geological and Natural History Survey 



1916 



