Oak Eggar larva

Oak Eggar larva

Observation - Oak Eggar larva - UK and Ireland. Description: Caterpillar I spotted on heathland. Fairly sure of ID, but I've only seen full sized larvae before, this one is probably has an instar to go.

Caterpillar I spotted on heathland. Fairly sure of ID, but I've only seen full sized larvae before, this one is probably has an instar to go.