韭菜迟眼蕈蚊在不同寄主上产卵及对LED光趋性的研究

为了实现活虫捕捉,预测田间种群发生规律,了解田间种群抗性发生动态,通过韭菜迟眼蕈蚊在4科9种不同寄主上的产卵趋性和对6种不同颜色LED光趋性测定,获得最佳寄主与光源,结合韭菜迟眼蕈蚊采集笼制备与野外田间应用,成功获得活虫。韭菜迟眼蕈蚊在马铃薯上产卵量最大,为93.56粒,占产卵总量的45.27%,且对绿色光趋性最强,诱虫量达26.75只,占全部诱虫量的40.38%。在韭菜迟眼蕈纹采集笼的野外应用中,露地捕虫量为700~800只,温室100~200只,大棚300~400只。

Studies onBradysia odoriphagaLaying Eggs in Different Hosts and Its Phototaxis to LED

In order to achieve capture of live insects， predict occurrence law of field populations， and understand the occurrence dynamic of resistance in field populations， we tested the fecundity and phototaxis ofBradysia odoriphaga on 4 families 9 kinds different hosts and 6 different single color LED lights， and then achieved the best hosts and light source. Meanwhile， the efficient capture technology of live insects was obtained by preparing and field applying the collection cage of Bradysia odoriphaga . The results showed that the highest egg laying amount of Bradysia odoriphaga was gained in Solanum tuberosum with 93.56 eggs， accounting for 45.27% of the total spawning. The largest attracting amount was acquired in green light with 26.75 eggs， accounting for 40.38% of all the attracting amount of Bradysia odoriphaga. In field application， the numbers of insects caught were 700-800 in open field， 300-400 under shed， 100-200 in greenhouse， respectively. Therefore， the capture of live insects was achieved and the existing technology for capturing insects was improved. Thus， a foundation for studying relative relation ofBradysia odoriphaga at different regions was established.