Bui. 91 , Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate XXVIII. 



Fig. 1.— Cocoons of Apanteles lacteicolor in Molting Web of the Brown-Tail 



Moth. (Original.) 



Fig. 2.— View of Laboratory Yard, Showing Various Temporary Structures, 

 Rearing Cages, etc. A, A, Out-of-Door Insectary Used for Rearing 

 Predaceous Beetles. (Original.) 



