ORTHOPTERS: EARWIGS. 



171 



Fig. 321. — Scorpion Bug, or Nepa. 



Fig. 322. — Squash Bug. 



SQUASH BUGS. 



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 tliem. 



STRAIGHT-WINGED INSECTS, OR ORTHOPTERS. 



These insects have wings which lie straight along 

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

 tlie marked stages of larva and pupa in coming to the 

 adult state ; but the young are constantly active, feed- 

 ing and growing, and differ from the adults only in 

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

 frequently changing their skins. After having shed 

 their skins six times, they come forth perfect insects. 



EARWIGS. 

 These insects have a pair of sharp-pointed nippers 



Fig. 323. — Earwig. Fig. 324. — Cockroach. 



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



