Holotrichia oblita, Anomala exoleta, and Anomala corpulenta were found to be the dominant species.

• 共鉴定蛴螬2220头，隶属2亚科10属17种，其中华北大黑鳃金龟、黄褐丽金龟和铜绿丽金龟是重要的为害种。