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山楂萤叶(虫甲),俗称金花虫、黄皮牛,鞘翅目萤叶(虫甲)科。成虫食叶、花,幼虫蛀果,影响产量和品质。1980—1982年,我们对其分布范围和发生规律进行了调查研究。一、分布与为害晋城、沁源、沁水、绛县、安泽等县山楂产区均有发生。晋城市陈沟公社有成龄山楂树2万多株,1954—1956年因此虫为害,年产量仅8,000斤。绛县陈村公社有成龄树1,600株,1975年因此虫为害,年产量仅24,416斤;次年采用综合防治方法,产量上升为75,365.9斤。1981年晋城县甘润大队虫果率达60%。二、形态特征
Hawthorn leaf (insect), commonly known as gold flower insects, yellow cow, Coleoptera leaf (insect) Section. Adult food leaves, flowers, larvae borer fruit, affecting yield and quality. From 1980 to 1982, we conducted a survey of its distribution and occurrence. First, the distribution and damage Jincheng, Qinyuan, Qinshui, Jiangxian, Anze County Hawthorn producing areas have occurred. Chencheng commune in Jincheng has more than 20,000 mature hawthorn trees, 1954-1956 so pest damage, the annual output of only 8,000 pounds. There are 1,600 adult trees in Chencun commune in Jiangxian County. In 1975, the pests were damaged and the annual output was only 24,416 kilos. In the following year, the integrated control method was adopted and the output rose to 75,365.9 kilos. Jincheng County in 1981 Ganrun Brigade fruit rate of 60%. Second, the morphological characteristics