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枣步曲学名枣尽蠖,杂食性,除为害枣树外,还为害苹果,桃、梨等。它的羽化期为50天,蛹在土壤中羽化。雄成虫体长15毫米,羽状触角有翅;雌成虫体较雄成虫稍长,无翅。但能爬,上树交尾。 下面根据多年的经验,总结出几种防治方法:①在成虫出土前,在树干下部堆成圆锥形大堆。雌成虫7~8点钟上树。②在圆锥上面的树干绑上10厘米宽的光滑塑料布,环绕树干一周,接头要光滑,这样成虫抓不住塑料布面滑下来。③可在圆锥的
Date jujube science name jujube, omnivorous, in addition to harm the jujube, but also harm the apple, peach, pear and so on. Its eclosion period is 50 days and pupae emerge in the soil. Adult male body length 15 mm, feathery antennae winged; adult female body slightly longer than male, no wings. But can climb, the tree copulation. The following based on many years of experience, summed up several methods of prevention and control: ① adults unearthed in the trunk below the pile into a conical pile. Female adults 7 to 8 o’clock on the tree. ② In the trunk above the cone tied 10 cm wide and smooth plastic sheeting, a week around the trunk, the joints should be smooth, so the adult could not grasp the plastic cloth sliding down. ③ can be in the cone