梨瘤蛾俗称糖葫芦虫,分类上属鳞翅目麦蛾科。此虫只为害梨树,其症状首先在梨树新梢出现局部膨大,然后形成瘤状,严重的梢部几个瘤块连在一起。作者1988年对我县代表性果园进行了调查,发现梨瘤蛾为害比较严重,已成为影响梨树生长的突出问题。发生规律梨瘤蛾以蛹在虫瘤块内过冬。梨花芽萌动时,成虫开始羽化,花芽开绽前是羽化盛期。成虫产卵在 Pear moth commonly known as sugar gourd insects, classification Lepidoptera moth family. This pest is only harmful to pear tree, its symptoms appear in the pear tip local enlargement, and then the formation of tumor-like, severe tip of several tumor pieces together. In 1988, the author conducted a survey on representative orchards in our county, and found that the damage of pear thorn moth was more serious, which has become a prominent issue that affects the growth of pear trees. Occurrence of law Moth moth to pupa in the worm block in the winter. Pear bud sprouting, the adults began to emerge, flower buds bloom before the feathering period. Adult eggs lay in