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主要果树害虫越冬习性及防治技术霍文祥（怀安县林业局）果树害虫的越冬休眠．是对冬季严寒的一种适应，在长期的发育过程中，不同种类害虫形成了各自稳定的越冬虫态及越冬场所，这对制定越冬期防治措施具有重要指导意义。本文在分析苹果、梨、葡萄８０余种常见害虫越冬习...
Overwintering Habit of Main Fruit Pests and Their Prevention and Control Techniques Huo Wenxiang (Huai’an Forestry Bureau) Overwintering Hibernation of Fruit Pests. Is a kind of adaptation to winter cold. During the long-term development, different species of pests form their own stable overwintering insect and overwintering places, which is of great guiding significance for the formulation of winter prevention and control measures. In this paper, apples, pears, grapes more than 80 kinds of common pests winter ...