THE GRASSHOPPER AND ITS ALLIES 



13 



Squash Bug, are destructive to plants ; still others, like 

 the Reduviidse, kill injurious insects (Fig. 13). 



[^^^^^^^^^^IggBI^^BB 



F:G. 14. Cicada septemdecem, the seventeen year locust. Reduced, 

 Photo, hy V. H. L. 



FIG. 15. Pupal case of cicada. Two- 

 thirds iiat. size. Photo, by W. H. C. P. 



FIG. 16. Locanium, a scale insect. 

 Remains of females after production 

 of young ; seen as swellings on the 

 bark. Nat. size. Photo, by V.H.L, 



