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梨大食心虫Eurhodope pirivorella Matsumura是我地区梨产区的一种重要害虫,为害程度常因果园或年份而不同,锦西县钢屯公社张家沟大队1973年因梨大食心虫为害损失梨果近30%,越冬虫芽率最多达15%左右。然而对这
Eurhodope pirivorella Matsumura is an important pest in the pear-producing area in our country. The degree of damage often varies with the orchard or the year. The Zhangjiagou brigade of Gangtun commune in Jinxi County lost pears nearly 20 times %, Overwintering bud rate of up to 15% or so. However, this