398 



NATURE SKETCHES IN TEMPERATE AMERICA 



a light median dorsal stripe on the tegmina of the male. This 

 marking is obviously for protection. Finally, besides the 

 variations of coloring above mentioned, I have found very 

 dark brown, or even black varieties, and females have been 

 taken which were sprinkled with minute dark brown spots 

 on a lighter ground. I found these colors so perfectly simulated 

 the l)ackground that it was always very difficult to locate 

 these insects. 



The landscape view presented in the photographic illustra- 

 tion is a typical habitat of this species. It was taken May ^26, 



Landscape view in tJic dune region .showing typical habitat 



of the quaker locust, Arphia sulphurca. Among tlic 



cactus and blossoming lupine it was well 



protected on the leafy ground. 



1908, at INIillcr, Indiana, solely with the view to showing 

 the natural environment of this locust. In the foreground, 

 where I flushed these insects, may be seen blossoming lupine 

 Lupinus percnnis, cactus Opuntia humifusa, and moss. Here 

 are also shown some young willows, and scattered about on 

 the ground are leaves and debris, among which the locusts 

 could easilv secrete themselves. 



