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Subject:
From:
Adrian Wenner <[log in to unmask]>
Reply To:
Discussion of Bee Biology <[log in to unmask]>
Date:
Mon, 6 Jun 1994 08:11:25 PDT
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>Thank you to all who contributed and answered my question in
>various forms.  I did in fact, finally, remember where I had seen
>the Eckert reference and found the information I required.  I was
>after, in fact, a 'scare' distance.  I need to refer to the
>maximum distance that bees had been known to fly to forage,
>rather than an *effective* distance beyond which it is unlikely
>they would forage efficiently.  It related to the distance from
>beehives that pest control officers were to place a substance
>that was (1) poisonous to bees and (2) attractive to bees.
 
   I think it appropriate to remark once again that one must consider wind
direction, since odor molecules (including noxious substances) can drift
only downwind.  The maximum "scare distance" downwind from a colony is only
a few hundred meters; see the following reference:
 
  1973.  The search dynamics of recruited honey bees, Apis mellifera
ligustica Spinola.  Biol. Bull.  144:107-131.
 
   In our climate wind patterns are nearly completely predictable during
summer months, making our observations more reliable than in other areas
where winds are more variable.
                                                        Adrian
 
 
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