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绿豆蟓是常见的豆类产品贮藏虫害。以幼虫蛀食各种豆粒,尤以绿豆、小豆、豇豆、蚕虫为甚,仓内、田间均能繁殖为害。绿豆蟓成虫体长2~3毫米,赤褐色、头小、正面成三角形,复眼马蹄形包围触角基部、背面中央有2个椭圆形白色斑纹。触角11节,雄虫梳齿状、雌虫锯齿状。幼虫体长3~3.5毫米,乳白色、肥胖,生活在豆粒内。绿豆蟓成虫善飞,有假死性。幼虫能在田间及仓库的豆粒中为害。世代重叠,一年可发生11代以上,以幼虫在豆粒内越冬,次年环境适宜羽化成成虫爬出豆外。卵产于豆粒上,也可飞在田间产卵于豆荚上,孵化后幼虫即钻入豆粒为害,直至羽化成虫。完成一代需20~50天。
Mung bean pomfret is a common pest storage beans products. To larvae eating a variety of beans, especially mung bean, adzuki bean, cowpea, silkworm is even, the warehouse, the field can reproduce the damage. Mung bean adult body length of 2 to 3 mm, auburn, head small, positive into a triangle, compound eyes horseshoe surrounded the base of the antenna, the back of the center has two oval white markings. Tentacles 11, Male comb teeth, female serrated. Larvae body length of 3 to 3.5 mm, milky white, obese, live in beans inside. Mung bean fly good fly, there is deadly sex. Larvae in the field and warehouse beans in harm. Generations overlap, can occur more than 11 generations a year, larvae in the winter grain beans, the following year suitable environment for adults to climb out of beans. Eggs produced in beans, but also fly in the field to lay eggs in the pods, larvae hatch after drilling into pests damage, until the emergence of adults. Complete a generation to be 20 to 50 days.