' THE CANADIAN ENTOMOLOGIST 249 



145. Leptura kerniana Fall. 



Taken by Daggett on the Kern River. 



146. Leptura plagifera LeConte. 



Taken rarely in northern Sierras. Found especially on 

 the eastern sides of the Cascades. 



147. Leptura ruhida LeConte. 



Rare. Taken in Northern California, Coast belt to 

 San Francisco, and in Sierras — a different colour phase 

 in each section. 



148. Leptura subargentata Kirby. 



Common at Camp Meeker, Sonoma County, 

 var. ruficeps LeConte. 



Found throughout the Sierras, 

 var rhodopus LeConte. 



Breeds in tan bark oak. 

 var. similis Kirby. 



149. Leptura molyhdica LeConte. 



Fairly commoh throughout the State on various flowers. 

 Taken by Fall at Pasadena on Ceanothus; by Van 

 Dyke in Sierra County, and the middle and northern 

 Sierras. 



150. Leptura IcBta LeConte. 



Found throughout the State; not abundant anywhere, 

 most common in the foothills of the Sierras. Found 

 by Van Dyke on flowers, especially those of California 

 wild holly. Bred by Rivers from live oak. Taken by 

 author at Donner Lake, July 12. 



151. Leptura tribalteata LeConte. 



Found in Northern California and Sierras as far south 

 fis Walker Basin. Taken by author at Donner Lake 

 July 6 on meadow flowers. 



152. Leptura coquilletti Fall. 



Taken on flowers of Eriogonum fasciculatum in June 

 by Ricksecker. Taken by Van Dyke in Sierra Madre 

 Mts., San Bernardino Mts., and also Los Angeles 

 County. 



