252 THE CANADIAN ENTOMOLOGIST 



173. Leptura behrensii LeConte. 



Rare Two specimens taken by Baumberger in North- 

 ern Sonoma Co.; type specimen from Mendocino Co.; 

 one taken by Van Dyke in Humbolt County. 



174. Leptura scripta LeConte. 



Common on Coast belt from Marin County to northern 

 line on flowers, especially Azalea, Rhododendron; rare 

 in the various parts of the Sierras. June 9. 



175. Leptura gnathoides LeConte. 



Found in Sierras and Northern California. Rare. 

 Taken in Placer County by Van Dyke on young trees of 

 post cedar. 



176. Leptura valida LeConte. 



Found rarely from Shasta to the Southern Sierras. 

 Breeds in pine. Taken by author at Donner Lake. 

 July 18. 



177. Leptura insignis Fall. 



Taken by Fuchs and Fenyes at Monterey. Breeds in 

 Monterey pine; remains also found in Pinus muricata 

 at Inverness; a specimen was bred by Van Dyke from 

 Douglas spruce branch of unknown locality. , 



178. Leptura aspera LeConte. 



Northern, may possibly run over into California. 



179. Leptura cubitalis LeConte. 



This species, which looks like an Acmaeops, is fairly 

 common in the middle part of California. It is found 

 on wild rose, etc., in Sonoma, Napa, San Mateo, and 

 Lake Counties. June 8-29. 



180. Ophistomis ventralis Horn. 



Taken at El Taste, Lower California. 



181. Strangularia delicata LeConte. 



Occasionally found in most parts of the State, but is 

 more common in the north and middle Sierras on various 

 flowers. June 3. 



(To be continued) 



Mailed July 10th, 1918. 



