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Top tips for eliminating flour weevils. These actually worked for us:
- Freeze your flour, semolina and grains for a few days to kill any eggs ( the little black specks ).
- Either use those products straight from the fridge or transfer them to sealing Tupperware-style containers for storage.
- Leave a slightly-opened box of matches in the affected cupboards; the sulphur will repel any adult weevils.