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茭白锹额夜蛾是舟山市 1 997年初次查见的主害茭白新害虫。经鉴定为杂夜蛾亚科 ,锹额夜蛾属Archanara SP.。 3月中旬左右为冬后成虫盛发产卵期 ,卵产于叶鞘内侧或叶鞘 ,卵成堆或散产。 4月上旬幼虫开始发生并主害茭白。幼虫孵化后蛀食茭白茎鞘新叶 ,蛀入孔比三化螟虫大得多。初
茭 white shoal Spodoptera is Zhoushan City, the first time in January 1997 to see the main white ginseng pests. Identified as Noctuid-Subfamily, Spawnship Archanara SP. About mid-March adult winter spawning period, the eggs produced in the sheath or leaf sheath, egg piles or scattered. In early April larvae began to occur and the main blackheads. After hatching larvae hatched whiteworm sheath new leaves, bore into bore much larger than the three stem borers. early