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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Ari Seppälä <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sat, 12 Sep 2009 07:47:30 +0300
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> Bob said:
>>>Read for yourself as the evidence against the neonicotinoids mounts.
>

A lot of new material comes, but the proof seems to be missing this far.

I was very cocerned about neonicotinoids when frensh beekeepers  started to 
tell about their bee losses is sunflowers 6 years ago. Neonicotinoids seemed 
to be the perfect culprit. And what best the beekeepers could blame someone 
else.

Then I read studies made in France. Like Marie-Piere Chauzat. Monitoring a 
big number of real hives, and seeing no losses in correlation with amounts 
of neonicotinoids.

If neonicotinoids are so lethal in sub lethal concentrations it would be 
easy to proof. Just feed it to the hives  in sugar solution and see them 
collapsing. That has been done in Europe and in quess what - nothing 
happened. Should be done in US too. Someone should be feeeding it also in 
dry pollen supplement collected by bees from feeder outside hive. That study 
I have not seen done.

If above tested and bees not collapsing, it is hard to make me believe that 
subleathal amounts of neonicotinoids are a major reason to bee losses.

Beekeepers cocerned about neonicotinoids should sacrifice a few hives and 
test themselves if someone else not interested.

That said neonicotinoids do kill bees when applied the wrong way. That has 
been seen and proven in Europe. Two well documented cases of neonicotinoid 
coated corn seeds that released so much active incredient during seeding 
that bees were killed around the corn fields. But in these cases substances 
could be found in hives in quite high concentrations.

Ari Seppälä
Finland

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