This is a #hommelreus . This one #zweefvlieg lives like larva in the nests of different species of bumblebees. The larvae feed on garbage that accumulates in the nest.

The fly looks exactly like a bumblebee. There are different variations of this species, each imitating a different bumblebee. Such a strong similarity of an innocent species with a dangerous (stinging) species is also called #mimicry called.

I've seen a giant