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豆荚螟又叫豆蛀虫、豆荚虫等,属鳞翅目螟蛾科。主要为害大豆、豇豆、豌豆、菜豆等,以幼虫蛀入豆荚取食豆粒,造成豆粒残缺不全。幼虫蛀食花营造成落蕾、落花。幼虫排泄的虫粪污染豆荚,引起腐烂。受害严重的豆粒发苦,不能食用,也不能作种子用。豆荚螟在我区一年发生6-8代。以老熟幼虫在寄主植物附近表土下5-6厘米处结茧越冬,在桂南则无明显越冬现象,一般此虫在9月份主要为害豇豆;10月
Pod borer also known as bean borers, pest insects, etc., is Lepidoptera Pyralidae. The main damage to soybeans, cowpea, peas, beans and other larvae eaten pods into beans pods, resulting in incomplete incomplete legumes. Larvae eaten flowers caused by falling buds, falling flowers. Insect excrement larvae contaminate pods, causing decay. The severely damaged beans are bitter, can not be eaten, nor can they be used for seeds. Pod punctiferal occurred in our district 6-8 generations a year. The mature larvae in the host plants near the surface 5-6 cm under the cocoon overwintering in the southern Guangxi no significant winter phenomenon, the general insects in September, the main damage to cowpea; October