I had this tested some years ago. The results were disastrous. However
it was not sprayed, but instead feed in a feeder. I don't see any way
you could spay them when in the cocoon stage, since the cells will be
capped at that point. Although the caps are porous so that the pupa can
get oxygen, I don't think any CS would be able to get in.
What happened is that the CS killed the bacteria in the bee's gut
required for their digestion. The hive ended up with masses of bees
bloated with honey, who starved to death.
Marshall
On 3/7/2011 12:41 PM, nessie wrote:
Hi gang:
Does anyone know if c/s will kill Mason Bee mites if sprayed
on them while they are in the cocoon stage?
If the answer is yes, what strength c/s would be appropriate?
Thanks....nessie
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