A Two-lined Gum Treehopper (Eurymeloides bicincta), approx 10 mm (0.4 in) in length, on a eucalyptus branch, having its secretions consumed by a meat ant. This is one of at least 20,000 described species of leafhopper, a family of insects that is mainly plant-eating, but some species predate small insects such as aphids.Photo credit: Fir0002