Pete Oxford / Aetalionid Treehopper (Tropidaspis sp) with ants harvesting their honeydew, Tiputini Biodiversity Station, adjacent to Yasuni National Park, Amazon, Ecuador

Neil Challis / Macro shot of Weaver ant (Oecophylla smaragdina) workers milking honeydew from treehoppers, Western Thailand.

Neil Challis / Macro shot of Weaver ant (Oecophylla smaragdina) workers milking honeydew from treehoppers, Western Thailand.