PLATE S 



Egg punctures and the eggs of the periodical cicada 



A, B, C, twigs of dogwood, oak, and apple containing rows of cicada 

 egg nests. D, cross-section of a twig through an egg nest, showing the 

 two chambers, each containing a double row of eggs. E, vertical 

 lengthwise section through two egg nests, showing the rows of slanting 

 eggs and the frayed lip of the nest opening. F, horizontal section 

 showing each chamber filled with a double row of eggs. G, several eaas 



(much enlarged) 



