Some tropical pepper plants also have mutualistic associations with still-other kinds of ants, housing the ants in hollow stems and feeding them on special “pearl bodies” full of nutrients. The ants ...

Ants farm aphids. It's weird yet fascinating. And a bit like a miniature horror movie. But it's a nightmare for gardeners.

Carnivorous pitcher plants attract ants with their sweet but toxic nectar, turning its flowers into a deadly trap.