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梨是华北最重要果产的一种,尤其河北和山东两省,分布最广,出产最多。最好的品种,如莱阳慈梨,定县鸭梨,河间秋白梨,青岛恩梨等,都是最著名的。但是每年受星毛虫的为害,都很严重,对于农民的损失极大,非但当年不能结果,就是以后一、二年,也都不能结果。根据调查得知,还有因星毛虫的吃害,竟至连续七、八年不能结果的。
Pear is one of the most important fruit production in North China, especially in Hebei and Shandong provinces, the most widely distributed, producing the most. The best varieties, such as Laiyang Ciyi, Dingxian Yali, Hejian autumn pear, Qingdao grace pear, are the most famous. However, the annual damage caused by the star caterpillars is very serious. The loss to the peasants is extremely great. Not only the results of the year but also the results of one or two years can not be achieved. According to the survey, there are star caterpillars eaten, actually seven to eight consecutive years can not be the result.