Bui. 1066, U. S. Dept. of Agriculture. 
Plate V. 
a 
The Black-Walnut Curculio. 
a, Egg in natural position exposed bv removing skin of young black walnut: b, group of 
egg punctures in half-grown black walnut; c, parasitic fly Cholomyia Iwngipes; d, pupse 
within pupal cells in earth: e, cocoons of the parasite Thersilochus conotracheli occupying 
the pupal cells of the curculio after killing and devouring the host larvae. All enlarged. 
