304 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i06 



three ^I have had the opportunity to study briefly a number of 

 specimens at Ottawa. These showed considerable variation in the 

 extent of the yellow markings. 



Harrington's type was taken from the cell of a wasp (probably 

 Vespula) and Taylor records collecting 23 d" cT and 4 9 9 near nests 

 of Vespula pensylvanica. 



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