processionary moth

British  

noun

1. a moth of the family Thaumetopoeidae, esp the oak processionary moth ( Thaumetopoea processionea ), the larvae of which leave the communal shelter nightly for food in a V-shaped procession

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Example Sentences

For example, the oak processionary moth, whose caterpillars infest oak trees, thrive in these shorter cold spells making the oaks more vulnerable to attack from other parasites, he says.

From BBC • Dec. 26, 2023