Unknown Catapillar

Unknown Catapillar

Observation - Unknown Catapillar. Description: We found this caterpillar whilst digging up some ground. It had a large spike at the back of its body. It was quite large too. I think it is a moth caterpillar but not sure what?

We found this caterpillar whilst digging up some ground. It had a large spike at the back of its body. It was quite large too. I think it is a moth caterpillar but not sure what?