142 



FAMILY v.— CEDIPODIN^. 



Posterior femora usually crossed externally by three ill- 

 defined pale bands; posterior tibiae black at the knee, be- 

 low with a pale ring, middle portion varying from bluish- 

 green to black. Two forms of this insect are shown ; Fig. 

 81 represents a dark, and Fig. 82 a light-colored, male. 



Length about that of xanthoptera. 



This is one of the most coinmon of our locusts with 

 bright colored wings. A few are found early in the season 



Fig. 82. — Arphia tenefarosa, light variety. Original. 



(May 16), but they become very abundant in July, and are 

 at that time very active. They fly with a clattering sound ; 

 the males have also the habit of remaining in one spot in 

 the air, moving the wings so rapidly at that time that they 

 can hardly be seen. On Sept. 13 the writer found a female 

 of this kind mating Avith a male of the still more common 

 Carolina Locust {Dissosteira Carolina L.). 



