阐述了利用数学形态学法、二叉树法、人工神经网络等方法 识别害虫的理论依据、研究情况及关键问题，指出了实现自动识别的前景及难点，以期促进该项技术在我 国的应用。-Described the use of mathematical morphology method, binary tree method, artificial neural network methods such as the theoretical basis for pest identification, rese