麦茎谷蛾(Ochsenheimeria sp.)除在苏北平原发生外,近年来还在山西省南部、河北省南部、辽宁省旅大以及山东省均有发生,造成麦株的枯心苗和白穗。麦茎谷蛾一年发生一代。以幼龄幼虫在三麦心叶里越冬。第二年麦苗返青后,幼龄幼虫为害麦苗心叶,最初出现透明斑点,然后吃光叶表皮,穿成圆孔,麦苗心叶内有虫粪,这与幼龄粘虫为害麦苗心叶有明显区别。5月间在麦株上化蛹。6月羽化成虫,然后飞到屋 Except for Ochsenheimeria sp. Occurring in the Northern Jiangsu Plain, it has also occurred in southern Shanxi Province, southern Hebei Province, Luda County, Liaoning Province and Shandong Province in recent years. . Wheat stem moth occurs one generation a year. To young larvae in three wheat heart winters. The second year of wheat seedlings turn green, the young larvae damage seedling heart leaves, the first transparent spots appear, and then eat light leaf epidermis, wear into a round hole, wheat seedling leaf heart worm excrement, Obvious difference. May pupate on the wheat plant. June adult emergence, and then fly to the house