四纹豆象为豆类危险性害虫之一。它能在田间及仓庫内为害豇豆、綠豆、茶豆和豌豆等多种豆科的种子,使种子失去种用和食用价值。据在福州室内飼养结果:四纹豆象一年发生世代数与食料种类有关,在仓儲綠豆、豇豆和菜豆种子上,一年可繁殖9—10代;在大豆和蚕豆种子上一年至少可繁殖6—7代。研究所用材料系采自邮寄进口豆种,并在綠豆上飼养。四紋豆象在福州可以生活繁殖,一年可发生10代。消灭措施采用氯化苦熏蒸,效果甚好。 Four-legged beans as one of the dangerous pests of beans. It can damaging many kinds of leguminous seeds, such as cowpea, mung bean, tea bean and pea, in the field and in the warehouse, which makes the seed lose the seed and food value. According to the indoor breeding results in Fuzhou: Four-year-old beans occur as the number of generations and the type of food related to the storage of mung bean, cowpea and bean seeds, a year can breed 9-10 generations; in soybeans and broad bean seeds last year At least 6-7 generations of breeding. The materials used in the study were from imported legumes by mail and were raised on mung beans. Four-grain beans in Fuzhou can live and breed, can occur 10 times a year. Elimination measures chlorinated bitter fumigation, the effect is very good.