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



Plate II. 



CALOSOMA L.ARV/E FEEDING, AND PARASITIZED BEETLE. 



A. — First-stage larvae of Calosoma sycophanta feeding on larva of the American tent 

 caterpillar {Malacosoma americana). B— Calosoma sycophanta, showing puparia of 

 parasitic fly Biomyiageorgiae beneath wing covers. (Slightly enlarged.) C. — Larva of 

 Calosoma frigidum feeding on another larva of the same species. (Original.) 



