米象、玉米象是毁灭性的仓库害虫。在我国,普遍发生的仓库害虫是玉米象。近年来,米象由国外传入我国后,也有逐渐扩大危害范围的趋势。这些害虫常发生在粮食、中药材、外贸、食品、农副土特产品仓库及其加工厂和购销站(店)内。 由于这两种象虫的形态特征极相近似,非用解剖学进行比较分类,否则是很难区分的。现对成虫和幼虫不同的形态特征,加以简要地阐述。 Rice icons, corn icons are devastating warehouse pests. In our country, the common occurrence of pests in the warehouse are corn elephants. In recent years, the Milky Way came into our country from abroad, but also gradually expanded the scope of the danger. These pests often occur in food, Chinese herbal medicines, foreign trade, food, agricultural and sideline products warehouse and its processing plants and shopping centers (stores). As the morphological characteristics of these two elephants are very similar, non-use of anatomy for comparative classification, or it is difficult to distinguish. Now adult and larvae of different morphological characteristics, to be briefly described.