1980—1981年作者在张家口对玉米螟性信息素的诱蛾效果及持效期,进行了初步观察。所获结果对于应用性引诱进行预测预报有一定的参考价值。供试的诱芯是金坛昆虫激素所合成的亚洲玉米螟性信息素,用橡皮塞作载体,剂量为20微克。以直径30厘米瓦盆为诱捕器,盆内倒入清水,使水面距盆沿1厘米,并加入2克洗衣粉。水盆中央悬挂1枚诱芯, From 1980 to 1981, the author conducted a preliminary observation of the trapping effect and persistence period of the sex pheromone of corn borer in Zhangjiakou. The results obtained for the application of the temptation to predict have a certain reference value. The induced entrails were synthesized by the Jintan insect hormone Asiatica corn borer sex pheromone with a rubber stopper as a carrier at a dose of 20 micrograms. With a diameter of 30 cm tile basin as a trap, poured into the basin water, so that the surface of the basin along the water 1 cm, and add 2 grams of detergent. Suspension Central 1 suspenders,