PLATK IV. — Some of the enemies of green fruit worms, a, caterpillar of Xyliiia laticin- 

 ereafroin tvhich the parasitic grub of Meteorus hyphantriae has just emerged and it 

 spinnintt its cocoon, natural size ; b, two of the curious suspended cocoons of Meteorus 

 hyphantriae, enlarged; c, the adult parasite (Meteorus huphantriaf), much enlarged; 

 d. a caterpillar of Xylina lacticinerea killed hy the parasitic grub of Mesoehorus agilis 

 which has spun its cocoon beneath the caterpillar, fastening the latter to the leaf, natural 

 size. 



