MEMOIR 50 



PLATE LXXIII 



YOUNG STAGES OF CORYTHUCHA BELLULA 



Egg. 2, Egg after hatching. 3, First-stage nymph. 4, Second-stage nymph 5, Thiid- 

 stage nymph. 6, Fourth-stage nymph. 7, Fifth-stage nymph 



1059 



