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
Examples of 'processionary moth' in a sentence
processionary moth
Another moth that can damage trees is the oak processionary moth.
Times, Sunday Times (2011)
The oak processionary moth is so named because of its caterpillars' habit of moving in nose-to-tail processions, stripping foliage as they go.
Times, Sunday Times (2013)
This is the oak processionary moth.
Times, Sunday Times (2013)
Other pests include the oak processionary moth, which has two established populations and is a threat to human health, particularly for asthmatics.
Times, Sunday Times (2012)
They attract the 'oak processionary moth caterpillar', which can cause rashes, itchy eyes and asthma attacks in humans.
The Sun (2010)
The oak processionary moth's larvae has 63,000 highly toxic hairs, which can be carried by the wind.