研究结果表明，杨树枝把诱虫谱十分广泛，可诱到7个目21个科48种昆虫，其中以鳞翅目夜蛾科昆虫为主；杨树枝把引诱昆虫并非是物理因素所致，而是化学因素所致． The results showed that the poplar branch to a very wide range of induced insects, can be induced to 7 orders 21 families and 48 kinds of insects, Lepidoptera noctuidae predominate; poplar branches to attract insects is not caused by physical factors, But due to chemical factors.