Unknown caterpillar

Unknown caterpillar

Observation - Unknown caterpillar - UK and Ireland. Description: This was in the bottom of a moth trap, so I can't comment on a food plant, although the trap was on a lawn. I make the length to be about 17 or 18 mm.

This was in the bottom of a moth trap, so I can't comment on a food plant, although the trap was on a lawn. I make the length to be about 17 or 18 mm.