Discussion of Bee Biology,[log in to unmask],Internet writes:
< Would it be safe to assume that surviving
<colonies might have built up some resistance?
******************
       Yes, but this area of southeastern Pennsylvania has no surviving feral
colonies.
           (The colonies I see are escaped swarms from my bee yard and they
die out in autumn.)
Tim
Tim Sterrett
Westtown, (Southeastern) Pennsylvania, USA
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