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我地菜农把豇豆豆荚螟称为豆角螟,豆角螟是危害豆科蔬菜的果荚与种子的主要害虫。在我地主要危害豆角(豇豆),初孵幼虫钻入花果内取食,造成豆角落花落蕾,长大后的幼虫则钻入豆用内,蛀孔处有腐烂、绿黄色的粪便,致使豆角品质变劣,豆角遭此虫危害,减产20％-30％,严重者可达50％以上。 据观察:豆角螟在我地5月-9月均有危害,但尤以5月下旬至8月为盛。同时,其幼虫在晴灭白天多潜伏在
I am a vegetable farmer to cowpea pod borer called beans, corn borer is endangering leguminous vegetables pods and seeds of the major pests. In my main harm to the beans (cowpea), the newly hatched larvae drilled into the fruits of the flowers, resulting in beans nocturnal flower buds, grown larvae are drilled into the beans with decay, green hole yellow feces, As a result, the bean quality is worsened, the bean is endangered by the insect, the yield is reduced by 20% -30%, and the seriousness is up to 50% or more. It is observed: Beetle borer in my May-September are harmful, but especially in late May to August Sheng. At the same time, its larvae lurk more in the clear during the day