PLATE XXIII 



1, Lateral outline of prothorax and tegmen of Microcentrus caryae Fitch, showing scutel- 

 lum; 2, front view 



3, Lateral outline of Campylenchia latipes Say, adult; 4, head; 5, lateral outline of last 

 nymphal instar 



6, Egg masses of Enchenopa binotata Say; 7, single egg; 8, frothy egg-covering; 9, egg slits 

 in wood; 10-14, nymphal instars; 15, head of adult; 16, adult 



210 



