Help with identification

Help with identification

Observation - Help with identification - UK and Ireland. Description: This is a soft bodied grub of some sort just over 1 cm long and able both to raise it's head and arch it's body caterpillar like. Found on the lid of a garden waste compost bin.

This is a soft bodied grub of some sort just over 1 cm long and able both to raise it's head and arch it's body caterpillar like. Found on the lid of a garden waste compost bin.