334 Forty-sixth Report on the State Museum 



and also in the Platte river bottoms in Wyoming. These Rocky 

 Mountain specimens are all of the darker form — infuscata. Here in 

 Nebraska we have both the green and the brown, and find them in 

 about equal numbers. It is a very common insect along all our streams 

 and at the edges of natural and artificial groves. It is especially com- 

 mon on south hill slopes early in spring." 



It probably does not extend to the Pacific coast, for Mr. Coquillet has 

 enumerated eighteen species observed by him in the San Joaquin valley 

 California, in 1885, but this species is not mentioned among them.* 



* Annual Report of the Department of Agriculture for the Year 1885, page 297. 



