四纹豆象 Callosobruchus Maculatus(Fabricius)和鹰嘴豆象 C.analis(Fa-bricius)主要为害豆类。四纹豆象由于它的世代多、繁殖量大且具有能在田间及仓内交替辗转为害的特性,给豆类的生产及其贮藏造成严重的损失,已被许多国家列为对外植物检疫对象。我国早在1973年也列为检疫对象。四纹豆象的鉴定中仍存在一些困难, Four-cropped beans like Callosobruchus Maculatus (Fabricius) and chick-pea-like C. analis (Fa-bricius) are mostly harmful to beans. Because of its many generations of four-legged beans, reproductive capacity and can be in the field and warehouse alternately removed for the characteristics of beans production and storage of serious damage caused by many countries have been classified as foreign plant quarantine objects . As early as 1973, our country was also listed as a quarantine object. There are still some difficulties in the identification of the four-legged bee,