Foetid bloat drone. The eye and mouth needle have been added and the carapace fly touched up a bit. This model is my favorite one from the whole set I think. :
1 x Foetid Bloat-drone (green, missing bits)
Fleshmower (for foetid bloat drone) - + Modelling Tutorials + - The Bolter and Chainsword
Flesh Mower Upgrade Kit Compatible With Death Guard Foetid - Etsy
Bloodbeard's Garage: 40k: Foetid Bloat-Drones
40K Death Guard Foetid Bloat-Drone Dangling Wires Bits | eBay
Death Guard Foetid Bloat-Drone Bits/Parts - Multilisting | eBay