168 NEUROPTERA AND ALLIES 



hatched lar\'fe of the same colony. The eggs are deposited 

 in this way by the adult touching the abdomen to the sur- 

 face of the leaf, then raising it quickly so that a thread of 

 glutinous secretion is drawn out. This hardens quickly 

 and the egg is left at the tip of the thread. The larva? on 



Fig. 121. — Chrysopa oculata: newly hatched larva, with under side of 

 head and claw at side — greatly enlarged. (From Marlatt, Div. Ent., U. 

 S. Dept. Ag.) 



hatching eat up the plant lice in the immediate vicinity. 

 They are active and run about readily and have prominent 

 jaws which are sickle-shape, tubular, and adapted for suck- 

 ing the body fluids of the plant lice. When they have passed 

 the larval stage they form a small spherical cocoon in which 

 they pass the pupa stage and from which the adults emerge 



