Abstract: This review focuses on the mechanisms of phytophagous insect counter-defense on plants. On one hand, insects can inhibit, escape and alter plant defense by behavior defense mechanisms, including changing feeding strategies, regulating growth rhythm and avoiding natural enemies. On the other hand, insects may confront plant defense through physiological and biochemical mechanisms, including adapting plant protease inhibitors, avoiding plant wound signals, detoxification, and inhibiting plugging reaction. At present, the hotspots are the mechanism of depression of plant wound signals and inhibition of plugging reaction. The researches on insect counter-defense will improve the understanding of the insect-plant coevolution relationship, and provide new ideas for pest management and the cultivation of resistant plants.

Key words: Phytophagous insects, defense, counter-defense, adaptation, coevolution, effective pest management, wound signal, plugging reaction