90 AN INTRODUCTION TO ENTOMOLOGY. 



mordta. It is represented in Fig. 91, natural size. It is a quite 

 common insect ; and on several occasions has appeared in such great 



FIG. 91. Diapheromera femorata. a, b, eggs; c, young hatching. (From Riley.) 



numbers as to be seriously destructive to the foliage of forest trees. 

 Probably the best way of destroying it when it becomes a pest is to 

 spray the infested trees or shrubs with Paris-green water, and its 



