In ants and aphids, aphids secrete a sugary liquid called honeydew, which that ants eat.

Aphids excrete a sugary liquid called honeydew, because the plant sap from which they feed contains excess carbohydrates relative to its low protein content.

As they feed they excrete a substance called honeydew.

As scales feed, they exude a sweet saplike substance called honeydew.

Aphids and other hemipteran insects secrete a sweet liquid called honeydew, when they feed on plant sap.

The caterpillars have special glands that make a sweet liquid called honeydew.

The larva creates a substance called honeydew, which the ants eat while the butterfly lives in the ant hill.

By consuming sap, plant pests such as aphids produce a sugar-rich waste product called honeydew, which is consumed by ants in exchange for protection of the sap-feeders against predation.

Whiteflies also produce a sticky substance called honeydew, which is left behind on the host.

A. That sticky mess, called honeydew, is not a protective mechanism, and it's not even coming from the plant.