UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 251 



Contribution from the Bureau of Entomology 

 L. O. HOWARD, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



July 27, 1915. 



THE CALOSOMA BEETLE (CALOSOMA 

 SYCOPHANTA) IN NEW ENGLAND 



By 



A. F. BURGESS, In Charge of Gipsy Moth and Brown-tail 



Moth Investigations, and C. W. COLLINS 



Entomological Assistant 



CONTENTS 



Introduction 1 



Method of Packing Beetles for Shipment 2 



Native Home of Calosoma sycophanta 



and Hosts Attached 3 



Investigational Work on Calosoma syco- 

 phanta 3 



Equipment Used for Rearing Predaceous 



Beetles 4 



Methods of Bearing Calosoma Beetle . 6 



Life History of Calosoma sycophanta . 7 



Natural Enemiea 18 



Colonization of Calosoma sycophanta . 19 

 Methods of Securing Data from Field 



Colonies 20 



Dispersion of Calosoma sycophanta . 21 

 Economic Importance of Calosoma syco- 

 phanta 39 



WASHINGTON 



GOVIJtNMBMT PRINTING OFFICE 



1915 



