NO. 1530. THE DECTICINM OF NORTH AMERICA— CA UDELL. 367 



position, standing upon her hind legs beside a small bunch of grass and grasping the 

 blades with the other legs for support. The ovipositor is carefully forced down into 

 the ground to its base. Strong peristaltic constrictions of the abdomen now take 



Fig. 53.— Peranabrus scabricollis. female ovipositing (after Snodgrass). 



place for a minute or so, and tlien the ovipositor is Avithdi-awn. Immediately, liow- 

 ever, it is either poked down again into the same hole or thrust into a new place 



