豆荚野螟又叫豆野螟、豆角钻心虫,是豇豆开花结荚期的主要害虫。该虫蛀食豇豆的花蕾和嫩荚,造成早期落蕾、落花,中、后期钻入荚内,蛀食豆粒并排出粪便,影响产品商品价值。由于菜农对其生活习性及发生规律不甚了解,抓不住防治适期,乱用农药,导致豇豆农药残留超标。为此,笔者于20 Pods wild borer, also known as bean borer, Beet Beetle, cowpea is the main pest blossom pod stage. The insects eat cowpea flower buds and tender pods, resulting in early fall buds, falling flowers, in the late drill into the pods, eats beans and excretion, affecting the value of the product of goods. As farmers do not understand their habits and laws of occurrence, can not catch prevention and treatment of appropriate, indiscriminate use of pesticides, resulting in excessive pesticide residues in cowpea. To this end, the author at 20