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近年来,各地应用黑光灯预测害虫发生;并直接消灭了一些害虫;但是对多种天敌昆虫也有影响。为了了解黑光灯对天敌昆虫的诱集情况,我们于1961年对几种主要天敌昆虫作了系统的观察记载。 一、观察方法 所用黑光灯为南京电子管厂制的3,650埃,40瓦的灯管,安装在邯郸本所棉田边,灯管下端距地面1.5米。自5月11日至10月15日,每日下午20:30—22:30点钟,开灯两小时。灯管上端设有直径65厘米的灯伞,下端设有直径35厘米的漏斗一个,灯
In recent years, the application of black light to predict the occurrence of pests throughout the country; and the direct elimination of some pests; but also a variety of natural enemies of insects also have an impact. In order to understand the trap of black light on natural enemy insects, we systematically observed and recorded several major natural enemy insects in 1961. First, the observation method The black light used for the Nanjing tube plant system 3,650,, 40-watt lamp, installed in Handan, cotton fields by the end of the lamp at the bottom 1.5 meters from the ground. From May 11 to October 15, every day 20: 30-22: 30 o’clock, lights for two hours. Lamp with a diameter of 65 cm at the top of the umbrella, the lower end of a 35 cm diameter funnel, a lamp