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我省开展大面积地下害虫越冬虫量调查始于1972年秋。十几年来的实践证明:做好地下害虫越冬种类、虫量、虫态(成虫或幼虫)调查,不仅为我省翌春制定有针对性的防治措施提供科学依据,也为掌握我省地下害虫种群变动规律进而制定长远防治规划积累了资料。总结以往的经验,开展地下害虫越冬虫量调查,应注意以下几个问题。
Investigation of overwintering pests in large areas in our province began in the autumn of 1972. More than 10 years of practice have proved that: the investigation of overwintering species, insect populations and insect states (adults or larvae) of underground pests can not only provide a scientific basis for formulating targeted prevention and control measures for next spring in our province, The rules of population changes and then formulate long-term prevention and control plans accumulated information. Summarizing the past experience, to carry out the investigation of the amount of overwintering insect pests underground, should pay attention to the following questions.