Phthorimaea heliopa larva harms the tobacco stem, and causes slow growing of plant and dwarf plant with new leaf clustered, resulting in significant low yield and poor quality of tobacco.

• 了解烟蛀茎蛾的生物学特性及其发生危害与环境的关系，采取农业防治结合使用低残留化学药物，可取得较好的效果。