I've read several honorable mentions of centipedes being added to the game. However I think the common centipede size is too large (averaging 2 to 4 inches).
I would like to propose the House Centipede (Scutigera Coleoptrata) as an alternative. They range 1-2 inches, excluding their legs and are terrifying. The black ox bettle is 1 to 1.5 inches for a reference.
Maintaining the theme of phobias with spiders, and now wasps, I am personally terrified of these centipedes. My wife has to kill them for me! (But I still have to kill the spiders for her)
Just a thought. Devs can include items, mounts, armor, whatever interests them. I just think the becoming a fun kid friendly phobia game it's becoming is quite amusing!