惠州市主要体育场馆红火蚁疫情及防控效果初报

Epidemic survey and prevention effect of red fire ants at main sporting venues in Huizhou

调查了惠州市奥林匹克体育馆、金山湖体育馆等周边绿化区红火蚁疫情，并进行防控处理。训食表叫．奥林匹克体育场与体育人才训练基地红火蚁疫情达到五级，属于严重危害区；金山湖游泳跳水馆红火蚁达到四级，属于中度危害区；金山湖体育馆红火蚁疫情为三级，属于轻度危害区。同时，采用诱饵法对防控效果进行了监测，随着施药时间的增长，防控效果愈高．药后7d，红火蚁蚁匠减退率为77．9％～82．0％，工蚁诱集量减退率为60．0％～88．0％；药后15d，蚁丘减退率上升至88.3％～91．0％，工蚁诱集量减退率高达88．6％～90．0％。药后40d监测，防控效果均达100％，完全消除了红火蚁的蚁害威胁。

The epidemic survey of red fire ants was investigated at the Olympic Stadium,Jinshan Lake Stadium,etc. in Huizhou city, and the epidemic control measures were applied to control the red fire ants.The results showed that it was serious harm areas at the Olympic Stadium and the Athletie Talent Training Base.The Swimming ＆ Diving Natatorium in Huizhou were the mildly areas,and Jinshan Lake Stadium in Huizhou was the slight danger area. With the steady growth in application time as well as control effect. Ant mounds had surrounded with a large number of dead ants after application three or five days. The mortality rate reached 77.9%-82.0% alter treated 7 days and 88.3%--91.0% after treated 15 days, respectively, which decline rate of trapped ants were 60%-88%, 88.6%-90.0%. The monitoring results were that the baits had a significant control effect to red fire ant in 40 days, which completely reversed the risk of red fire ants.