Freezer storage will not protect damp pot. Insecticides have no application in stored marijuana. Their residue pose a danger to customers. But they leave residues in air pockets of fumigated material. Big buds are full of air pockets.
Poisons are very useful for disinfecting drying rooms, but only after the crop has been cleared out.
However, with rewarming, many bugs continue their destruction. Heating marijuana in a 66-93 degree Centigrade oven for 10 minutes will kill most pests. Marijuana should not be heated longer than 10 minutes or 93 degrees Centigrade to prevent THC oxidation. This method is not recommended for novices. Aspergillus -contaminated marijuana.