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地老虎是我县农作物的重要害虫,每年都有发生。它主要为害玉米、棉花、糜子、洋芋及瓜菜等作物的幼苗,造成缺苗断垄,减产减收。各种地老虎危害中,以黄地老虎Euxoasegetum Schiff为主,而又以其第一代幼虫为甚。因而,摸清黄地老虎越冬代成虫的消长因子,有利于防治工作的开展。根据几年测报工作中的若干数据和个人体会,现将我县黄地
To the tiger is an important pest of crops in our county, occur every year. It is mainly for corn, cotton, millet, potato and vegetables and other crops seedlings, resulting in missing seedlings broken ridge, cut production. In various tiger hazards, the yellow tiger Euxoasegetum Schiff dominated, but with its first generation of larvae even. Thus, to find out the growth and decline of yellow tiger overwintering adult worms, is conducive to prevention and control work. According to a few years measured in the work of a number of data and personal experience, now my county Huangdi