Pig. 7. A colony of young Squash Bugs, of different ages, showing gre- 

 garious habits. In such a position as this they are readily reached" by 

 kerosene emulsion or kei-oseue mixture. 



Pig. 8. Eggs" of the Squash Bug (Auasa tristis). 

 natural size, in sitxi. on the underside of a squash leaf. 

 This shows the regular distance between the eggs, 

 the diagonal direction of the rows, and the irregular 

 shape of the patch as a whole. 



