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地老虎属地下害虫的一种,分布广,种类多,食性杂,危害玉米、高粱、糜黍、胡麻、甜菜、蔬菜、马铃薯、豆类等多种作物。在我区造成危害的主要有小地老虎、黄地老虎、白边地老虎和警纹地老虎等四种。根据各种地老虎成虫和幼虫的主要特征,有的放矢地进行防治,必须了解其区别(见附表)。防治方法:1.清除杂草。杂草是地老虎产卵的重要场所,也是幼虫向作物上迁移为害的桥梁,因此,清除杂草对消灭地老虎
To a tiger is a pest of underground, widely distributed, variety, miscellaneous food, endanger corn, sorghum, millet, flax, beet, vegetables, potatoes, beans and other crops. In my area are mainly caused by the hazards of small tiger, yellow tiger, white tiger and tiger landmarks and other four. According to the main characteristics of adults and larvae of all kinds of tiger, targeted prevention and control, we must understand the difference (see schedule). Control methods: 1. Clear weeds. Weeds are important sites for laying eggs of tigers and are also the bridge for larvae to migrate to crops. Therefore,