PLATE XII. 

 WASPS AND BEES. 



i = Sphaerophthalmus californicus. 



2=Polistes aurifer. 



3=Elis sp. 



4=Psithyrus elatus. 



5 = Bombus vagans. 



6=Agapostemon radiata. 



7 = Xylocopa sp. 



8= Bembex spinolae. 



g=Vespa germanica. 

 10= Bombus californicus. 

 ir = Anthophora pacifica. 

 12 = Polybia flavitarsis. 

 i3=Chalybion coeruleum. 

 i4=Sphex ichneumonea. 

 i5=Pelopeus servilla. 





