Sometimes you find them in the company of ants, who farm them for the honeydew they excrete. The ants also protect them from ...

When aphids infest plants, ants are often also present. The ants do not prey on the small insects, but are interested in their honeydew. In return, they even protect the aphids from predators.

The behavior is potentially dangerous because aphid waste, or honeydew, is a liquid, and unless the dew is stored and removed as tiny, individual droplets, it could easily contaminate or even drown ...

They also excrete a sticky substance called honeydew, which can further harm plant health. "Aphids can be a nightmare for gardens this time of year," warns Elise. "Especially for plants like sweet ...