Quarantine and monitoring procedures and techniques were described in accordance with characteristics and scale of Hyphantria Cunea (Drury) in terms of its occurrence, damage symptom, host, phases as well as its spread modes.

• 本文依据美国白蛾发生、危害症状、寄主、虫态、特征、发生期、传播方式等方面的特点与规律,探讨了美国白蛾的监测检疫检验技术程序与方法。