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The Guardian - UK
The Guardian - UK
Lifestyle

Why do worms like apples but not oranges?

Fruit for sale on a market stall - oranges, bananas, strawberries
Wormproof? ... Oranges and bananas (not sure about the strawberries, though). Photograph: Frank Baron for the Guardian

In a long life I have never encountered a maggot or worm in an orange or banana, but have quite often come across such wildlife in an apple or blackberry. Why are some fruits susceptible to infestation, but others not? Is there any rule?

alexandra smithies

• Post your answers – and new questions – below or email them to nq@theguardian.com

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