I couldn't find any mention of it here (mostly because the search function seems out of order), and it says "6h" which I assume means "six hours ago," (no idea how Instagram works, I've been under a rock) so here it is.
https://www.instagram.com/p/BFXBD1zM2rl/
This is a Skeeter. It didn't ever make an Oddworld game, but if it had, it would have flown around and then sucked the blood out of its victims' heads. That's its bloated stomach at the front. Yup.
Very alien looking.