Other ant species herd aphid 'cattle', which they eat and also milk for honeydew, a plant sap excreted by the aphids. They even have their own ‘fences’ to prevent the aphids from straying away.

We determined the effects of red imported fire ants on the abundance of aphids, other herbivorous insects, and beneficial arthropods in Alabama tomato (Lycopersicon esculentum) by manipulating the ...