Moth or sawfly larva

Moth or sawfly larva

Observation - Moth or sawfly larva - UK and Ireland. Description: Found on bramble in wood. About 1cm.long Currently in box outdoors and at night hangs by thread from underside of bramble leaf

Found on bramble in wood. About 1cm.long
Currently in box outdoors and at night hangs by thread from underside of bramble leaf