>>Another candidate might be Bacillus thuringiensis aizawai (sold as
Certan which is licensed to use on beekeeping equipment), but I think that
this is effective mostly against Lepidoptera (not beetles).
We have been treating our brood combs with B401 Certan (now B402),
Bacillus thuringiensis aizawai, for years and the product works well
against wax moths. But I can attest to the fact that it has NO effect on
pantry beetles.
Dennis
very western NYS
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