THE CANADIAN ENTOMOLOGIST 121 



A NOTE UPON THE FOOD HABITS OF ADULT 

 TENTHREDINID/E. 



Whilst collecting insects on the 13th of May, 1913, I was 

 interested to observe an adult Tenthredo variegatus engaged in feed- 

 ing upon the remains of a small Dipterous insect, and was fortun- 

 ately able to secure the specimen alive and unharmed. 



I kept it in confinement for some days and was able to make 

 some observations upon the feeding habits of this species. 



It was found to feed greedily upon house flies, which were 

 seized with great violence as soon as they were introduced into the 

 jar in which the Tenthredo was confined. A wound was then made 

 in the body, into which the mouth parts were introduced and the 

 contents of the body consumed. 



On some occasions an attempt was made to drag the fly from 

 the forceps, which were used to place it in the jar, the saw-fly 

 shewing great excitement, constantly dashing about and jerking its 

 legs and wings in "the manner of certain predaceous wasps. 



The above note is offered as a contribution to a subject upon 

 which I believe little is at present definitely known. 



E. P. Venables, Vernon, B.C. 



NEW OR LITTLE KNOWN SPECIES OF APHIDID.E. 



BY JOHN J. DAVIS, BUREAU OF ENTOMOLOGY, WASHINGTON, D.C. 



(Continued from Page 87.) 



Myzus circumflexum (Buckton). 



(Siphonophora circumflexa Buckton). 



(Myzus vincce Gillette). 



This beautiful Myzus was first reported in this country by 

 Mr. F. A. Sirrine,* who found it attacking calla lily, cyclamen 

 "dusty miller" (Senecio cineraria) and Spiraxis in green- 

 houses, it being especially troublesome to the calla. Prof. 



*14th Ann. Kept. N.Y. Agric. Expt. Station, 1896, p. 603. 

 April, 1014 



