STRAIGIIT-WINGEU INSECTS. 



185 



Fig. 321. — Scorpion Bug, or Nepa. Fig. 322. 



Sc[uasli Bugs. 



■ Squash Bug. 



The Squash Bug passes the winter in a torpid state, 

 and when the leaves of the squash appear it lays its 

 eggs in clusters on the under side of them. 



Straight-winged Insects, or Orthoptera. 



These Insects have wings which lie straight along 

 the top or sides of the back. They do not pass through 

 the larva and pupa states, but the young are constantly 

 active, feeding and growing, and differ from the adults 

 in size, in having only rudiments of wings, and in fre- 

 quently changing their skins. They shed their skins 

 six times, and then come forth perfect insects. 



Earwigs. 



These Insects have a pair of sharp-pointed nippers 

 at the hind part of the body, which they can open and 



Fig. 323. — Earwig. 



Fig. 324. — Cockroach. 



