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中国梨喀木虱(Cacopsylla chinensis Yang&Li)是栽培的各种梨的主要害虫。本文运用有效积温法、各虫态历期法、物候征兆法、有效基数预测法,预测预报下一虫态的发生期和虫口数量,提出了以营林措施为基础、利用生物药剂防治、物理防治及保护和利用梨园中捕食性天敌的自然控制作用相结合的多种防治措施,为更好的开展中国梨喀木虱防治工作提供了重要依据。
Cacopsylla chinensis Yang & Li is a major pest of cultivated pears. In this paper, effective accumulated temperature method, various insect state duration method, phenological symptom method, effective base prediction method were used to predict the occurrence period of the next insect state and the population of insect population. Based on the measures of forest management, Prevention and control and protection and use of natural predators in pear orchard control of a combination of a variety of prevention and control measures to better carry out Pear’s control of Pear’s Pest provide an important basis.