Stored-food insect · Plodia interpunctella
The Indian meal moth (Plodia interpunctella) is the most widespread pantry moth in Belgium. Its larvae weave silky threads through flour, rice, pasta, dried fruit and pet food, rendering the goods unfit for consumption.
A small grey-brown nocturnal moth, the pantry moth lays its eggs in cupboards and pantries. Its caterpillars contaminate foodstuffs with their threads, droppings and moults, then migrate to corners and ceilings to pupate. Often introduced via an already-infested product at purchase, it spreads from packet to packet. Treatment combines fully emptying and cleaning the pantry, discarding affected products, treating the egg-laying areas and installing pheromone traps for monitoring.
Questions fréquentes
What's the difference between pantry moths and clothes moths?
Pantry moths (Plodia interpunctella) attack foodstuffs — flour, cereals, dried fruit — and leave silky threads in the packets. Clothes moths (Tineola bisselliella) gnaw natural fibres such as wool, silk or cashmere. Both are small moths, but their targets and therefore their treatments differ.
Where do pantry moths come from?
In the vast majority of cases, they're introduced unintentionally via a product already contaminated at purchase (flour, rice, dried fruit, bird seed). The invisible eggs or young larvae then hatch in the cupboard and the infestation spreads to other open or poorly sealed packets.
How do I get rid of them for good?
You need to empty the pantry completely, discard infested products, clean the shelves (including corners, hinges and peg holes) and store foodstuffs in airtight containers. Treating the egg-laying areas and pheromone traps complete the operation to break the cycle and confirm eradication.
Problème de pantry moths ?
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