Bui. 417, U. S. Dept. of Agriculture. 



Plate I. 



Calosoma sycophanta. 



Adult Calosoma beetle eating gipsy moth caterpillar, lower left; pupa, lower right: eggs, 

 upper left; eaten pupce of gipsy moth, upper right; full-grown larvae from above and be- 

 low. All slightly reduced. (Howard ana Fiske.) 



