Caterpillars for ID please

Caterpillars for ID please

Observation - Caterpillars for ID please. Description: Sudden invasion of nearby gardens by a swarm of hairy caterpillars - moving southward over lawns, flowerbeds, pavements, walls etc.

Sudden invasion of nearby gardens by a swarm of hairy caterpillars - moving southward over lawns, flowerbeds, pavements, walls etc.