I'd like to know how anyone figured out that the workers fed the queen  
less?   How does one make these observations?  And, if somehow,  say using a 
colony in an observation hive, and watching it JUST before swarming  - seems a 
bit tricky to catch, how does one know whether they fed her less or  she 
wanted less?
 
Seems to me to be a difficult thing to quantify.  Anyone have the  original 
paper at hand?  Thanks
 
Jerry

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