一、葡萄透翅蛾危害特点：主要危害枝蔓，被害部分膨大呈瘤状，妨碍树体营养运输，使叶片枯黄脱落。发生规律：每年发生一代，以幼虫在枝蔓内越冬。翌年５月上旬化蛹，６月上旬至７月上旬羽化为成虫，羽化后１～２天产卵。刚孵化的幼虫由新梢叶柄基部蛀入嫩茎内，危害髓部... First, grape perylene moth hazard characteristics: the main harm to the branch vine, part of the inflated was tumor-like, hinder the tree nutrition transport, the leaves fall off. The law occurs: a generation occurs each year, with larvae wintering in the branches of the vine. In the following year in early May pupation, early June to early July eclosion into adults, feather after 1 to 2 days to lay eggs. The newly hatched larvae shoots into the young stems at the base of the shoot shoots, damaging the pulp ...