Which substance do larger yellow ants primarily feed on?

Larger yellow ants primarily feed on aphid honeydew because it is a rich source of carbohydrates and nutrients that ants utilize to sustain their colonies. Aphid honeydew is a sugary liquid excreted by aphids after they feed on plant sap, and it attracts various ant species. The relationship between ants and aphids often results in mutualism; ants protect aphids from predators in exchange for this nutrient-rich resource. By feeding on honeydew, larger yellow ants can support their energy needs and the growth of their young, making it a vital part of their diet.

While other substances such as plant nectar, carbohydrates, and seeds may also be food sources for ants in general, they do not represent the primary source of nutrition for larger yellow ants. This specific feeding behavior highlights the ecological interactions within ecosystems, showing how ants can play a role in the population dynamics of aphids.