ECOLOGY -INTERPRETATION OF ENVIRONMENT 353 



A pair of Varied-irmg Lociififs- {.irpliia .rapth.optera) . Upper 

 figure, male with spread wings; lower figure, female. The 

 male had yelloio, the female salmon-colored wings in life. 

 This species is often parasitized hy a gray Tachina 

 fly which deposits its eggs on the living indi- 

 vidual while it is in flight. The locusts' 

 egys are laid in late July and early 

 September. 



