黑光灯大面积诱杀草地螟成虫试验探讨

STUDY OF LOXOSTEGE STICTICALIS LINNAEUS KILLING BY BLACK LIGHT

利用草地螟成虫迁飞、趋光的习性,小范围内安装一定数量的黑光灯进行诱杀,可以减少成虫基数和产卵量,使下代幼虫密度下降,最大限度降低害虫造成的损失。但是,在广衰的草原上大面积安放黑光灯开展诱杀防治,存在成本过高、工作量太大、严重践踏草地等弊端。建议,草原上大面积开展草地螟防治,草原部门要开展好预警监测工作,准确掌握成虫迁入时间、产卵地、幼虫危害状况,重点抓好幼虫孵化盛期或低龄期农药防治工作。

In order to reduce the number of Loxostege sticticalis Linnaeus larvae and spawning quantity,the density of the next generation of larvae decreases,and the loss caused by pests is minimized by installing a certain number of black light lamps in a small area.However,placing black-light lamps on a large area of the vast grassland to carry out trapping and killing control has disadvantages such as high cost,heavy workload and serious trampling on the grassland.It is suggested that pest control should be carried out in large areas of grassland.The grassland departments should carry out early warning and monitoring work,accurately grasp the time when adults move in,the spawning ground and the damage status of larvae,and focus on the pesticide control work in the peak or young stage of larvae hatching.