Medhat wrote
> My concern is residues and potential side effects on bee brood.
Phostoxin has been used for a long time in Australia. Anecdotally there
have been no problems with residues, if aired properly, nor bee brood
mortality. The only problem that was encountered many years ago was that
there was a high level of aluminium found in some honeys. It was traced to
beekeepers placing the phostoxin tablets on top of the top bars of the hives
and not in a dish of some sort to hold the aluminium oxide powder which it
broke down to. The breakdown powder was falling down and into the cells of
the stickies. Once the beekeepers put the tablets in a dish, there were no
more residue problems with aluminium.
The phostoxin is registered here for use against wax moth and small hive
beetles in stored stickies. Does a good job if used according to label.
Trevor Weatherhead
AUSTRALIA
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