【摘要】 <正> 一、前言 蚕豆象是蚕豆的主要害虫,也是世界性的一种害虫。大凡温度较高湿度较大的地区,多有它的足迹,不过在我们中国,特别是在黄河流域和长江流域,在历史上尚没有见到它的为害记载,在实际上,江浙一带这虫的大量为害,也仅仅发生在抗日战争之後,江浙老农都说是日本帝国主义者带来的;大公报也曾载称,是由日军更多还原

【Abstract】 The horse bean weevil, Bruchus rufimanusBoheman, was brought along into China bythe Japanese aggressors during the war. The species are small in size. They do greatdamage solely to the horse bean (Vicia faba L.); with one generation each year. Theeggs are deposited on the bean pod. The larvae gradually take nourishment in the beanseffecting such injury to both the quantity and quality that great losses result. There areseveral methods for controlling them. Under present circumstances, the most effective andeconomical one is to kill them with hot water, but it must be done on a large scale inorder to bring about an effective control of this pest.更多还原