大灰象Sympiezomias velatus(Chevro-lat)、大球胸象Piazomias validus Motschu-sky、欧洲方喙象Cleonuspiger Scopoli在山东省平阴县主要危害地瓜、大豆、玫瑰、桑、榆、酸枣等农林植物的芽、新梢及叶片,造成较大的经济损失。近年来,发现叉突节腹泥蜂Cerceris rufipes evecta Shestakov捕食上三种象甲成虫,为利用该蜂防治象甲,我们对其生物学特性做了观察研究,现报道如下。 Sympiezomias velatus (Chevro-lat), Piazomias validus Motschu-sky, Cleonuspiger Scopoli in Pingyin County, Shandong Province, are the major hazards to sweet potatoes, soybean, rose, mulberry, elm, jujube and other agricultural and forestry plants in Pingyin County, Shandong Province Buds, shoots and leaves, resulting in greater economic losses. In recent years, it was found that the Cervus rufipes evecta Shestakov, a fossil carnivore, preyed on three adult elephants. To control the beetle with the bee, we observed its biological characteristics and are reported as follows.