The reaction of different instars of pine wood nematode to high-voltage pulse current were different, the adult was more resistant to high-voltage pulse current than the larvae, especially the female.

• 不同龄期的松材线虫对高压脉冲电流的反应不同，成虫对高压脉冲电流的抗性更强，尤以雌虫更具抗性。