Article from Science Daily
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tested efficacy of oregano oil against plant beetles.First para:
"ScienceDaily (May 23, 2008) ? New research in the Society of Chemical Industry's Journal of the Science of Food and Agriculture shows that oregano oil works as well as synthetic insecticides to combat infestation by a common beetle, Rhizoppertha dominica, found in stored cereals."
I have been using bay leaf in containers of cereals.
Your opinion?
Persephone