Call me lame but my favorite ants are fungus growing ants. The great thing about them is their ability to grow and farm their own food. Game play wise, it wouldn't be an infinite supply it would have a food cost to grow a new fungus on each tile but it would produce more than was put in and...
Personally I'm not upset if there's never multiplayer since that would inherently mean competing with my brother and I'd rather us work together to make the ultimate super-colony
Well what if it was only for one playable species and a really expensive Ereptor trait that can be gained instead of other queen traits. More queens = weaker queens = balance.