How to identify it?
Nymph
Nymph very similar to adult, but wings underdeveloped, very short, unable to fully cover the abdomen.

Adult
Overall green, mimicking tree leaves. A pair of slender long antennae. Compound eyes green. 3 pairs of legs, pleopods strong jumping legs. Wing resembling tree leaves, even with verisimilar leaf-vein-patterned stripes.

Scientific Classification

Phylum
Arthropods Class
Bugs Order
Weta Family
Katydids Genus
Angle-wing katydids Species
Greater Angle-wing Katydid