298 



BEES AND WASPS 



aphids. It is a minute species and its larva maintains its 

 entire growth within the body of an aphid, the entire con- 



FiG. 238. — Parasitized cabbage worm I^Pontia rapce), showing coroon 

 mass of Apantdes glotturalus VjcIow. (From Chittenden, Div. Ent., U. S. 

 Dept. Ag.) 



Fig. 239. — Lysiphlebus tritici, principal parasite of the spring grain aphis: 

 adult female and antenna of male, greatly enlarged. (Webster, Div. Ent., 

 U. S Dept. Ag.) 



