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期 刊 ：植物保护学报 1998年

关键词：油菜；花露尾甲；为害；产卵；产量损失；

Keywords:Meligethes aeneus, damage, oviposition selection, yield loss, spring oilseed rape,

摘 要 ：１９９４～１９９６年室内和田间调查研究表明，油苛花露甲以成虫取食花器和产卵于花蕾内为害，形成典型的“秃梗”症状；以幼虫在花内食害，使角果的瘪粒数增加，产量下降基田间自然条件下，雌成虫多选择２～３ｍｍ长的蕾产卵，但在不同种油菜上有差异；在大黄芥上，８０％卵产在２～３ｍｍ长的蕾上，在门源油菜上，８０％的卵产出２．０１～３．６０ｍｍ长的蕾上，蕾长在２．４ｍｍ以下时易被产卵致死，在门源油菜的蕾期笼罩接虫试

Abstract:The blossom beetle, Meligethes aeneus F. has been a major pest attacking spring oilseed rape in the middle of Gansu Province. After investigations of three years ( 1994 to 1996) and cage experiments, it was shown that the damage to spring oilseed rape is

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