CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 191 



Fig. 129. — Stages and work of the true army worm {Cirphis unipuncta) and 

 some of its insect enemies: a, parent or moth; b, full-grown larva; c, eggs; d, pupa 

 in soil; e, parasitic fly, Winlhemia quadripuslulala, laying its eggs on an army worm; 

 /, a ground beetle, Calosoma calidtim, preying upon an army worm, and, at right, 

 Calosoma larva emerging from burrow; g, a digger wasp, Sphex sp., carrying an army 

 worm to its burrow; h, Enicospilus purgatus, a wasplike parasite of the army worm, 

 natural size. (Z7. 5. Bur. Enl.) 



