This brown Grasshopper found chewing some leaves and abdomen moving while an Ant passes by, then suddenly moves to reposition

brown grasshopper rufouslegged grasshopper grasshoppers orthoptera acrididae acridomorpha insects in thailand insects camouflage mimicry tettigoniidae trigonopterygidae katydid hoppers wildlife footage catantopinae wildlife sanctuary trigonopterygoidea bugs leaf mimic herbivorous habitat xenocatantops humilis herbivore grass ground caelifera leaf planteaters national parks leaves bush crikets hemimetabolous khao yai thailand plants jungle catantopini phu khiao forest kaeng krachan acrididea jungle plants rainforest green leaves green