42 



NATURAL HISTORY OF INSECTS. 



Along each side of the abdomen are ranged the spiracles 

 (Fig. 89), through which the inset breathes. 



Fig. 127. Fig. 128. 



The tip of the abdomen is sometimes furnished with a sting 

 as in the Bees and Wasps with which the insect defends 



Fig. 131. 



