Treehoppers in the genus Entylia are often attended by ants. Here, a pair of immature nymphs produce honeydew for a Pheidole big-headed ant. Austin, Texas, USA.
An ant gathers a droplet of honeydew from a treehopper nymph. Austin, Texas, USA.
Pheidole minor workers tend scale insects for honeydew. Entebbe, Uganda