B401 is not available here in Western Australia, and so I have not used
that.
The active Bt variety in B401 is, I believe, Bt var Azaiwai, and this is
also
available here in a registered and commonly used Organic pesticide.
I have used that very successfully.
Unfortunately a more commonly available organic pesticide contains Bt var
Kurstaki
which does not work on wax moths.
Check the labels!
PeterD
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