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Pantry moths keep coming back? A cheap spice on the shelf can help
TheCoolist • • science
Key Points:
- Pantry moth infestations often persist despite cleaning because the moths you see are the end stage, with eggs and pupae hidden in cracks and food packaging, allowing the cycle to restart easily.
- Female pantry moths can lay over 200 eggs on or near food, and larvae can chew through packaging, making it critical to inspect and treat all dry goods thoroughly.
- Effective eradication involves three steps: discarding infested items or freezing/heating to kill larvae, vacuuming and wiping all pantry surfaces to remove crumbs and pupae, and storing food in sealed containers for at least a month to starve remaining moths.
- Pheromone traps can help detect moth hotspots but do not eliminate infestations, and insecticide sprays are not recommended for use around food.
- While bay leaves repel some pantry pests like beetles and weevils, there is no scientific evidence they work against pantry moths; they can be used as supplementary protection but not as a primary treatment.
