I put all bark wood stuff in the freezer
I'm paranoid lol. After getting a bark wood house with woodworm holes in
If it's plain smooth wood like pine I don't bother.
A week in the freezer should kill anything. I wrap stuff in a plastic bag first so it doesn't get ice crystals. In fact anything that isn't plastic or ceramic goes in the freezer first usually. I freeze hamster food first now as well after having an unpleasant experience with moths. Anything with hay I freeze too. I need a bigger freezer.