FIG. 51. Bunch of Pimpla cocoons removed from the cocoon of the fall webworm, 

 and the larval parasite. 



FIG. 52. Photograph of ichneumon larvae issuing from the Catalpa caterpillar. 

 Natural size. 



FlG. 53. Photograph three hours later of the same caterpillar as shown in 

 Fig. 52. Slightly enlarged. (65) 



