蓟马害虫在盖县地区从1982年开始发现有危害巨峰葡萄果粒的症状。以后每年均有不同程度的危害,尤其近几年来危害特别严重,直接威胁着葡萄生产的发展。1989年秋季根据盖县陈屯、九寨、二台子、熊岳、芦屯、沙岗等16个乡、镇果树站的调查统计,蓟马危害葡萄的被害株率为69.8％,被害穗率为48.2％。但群众对此害虫缺乏认识,目 Thrips pests in the Gai County area since 1982 found that endanger the symptoms of Kyoho grape berries. Every year thereafter, there are different degrees of harm, especially in recent years, the damage is particularly serious, which directly threatens the development of grape production. In the autumn of 1989, according to the survey of 16 townships and townships such as Chen Tun, Jiuzhai, Ertaizi, Xiong Yue, Lutun and Shagang in Gai County, 69.8% of the grapes were harmed by thrips, 48.2%. However, the public lack of understanding of this pest, head