Monitoring methods of migratory pests and their advantages and disadvantages

The monitoring methods and advantages and disadvantages of migratory pests are as follows:

1. On-site capture method: fluorescent lamps, fireworks, nets, etc. Used to catch pest population and determine population density.

2. Fly-catching lamp method: Using the attraction of fluorescent lamps, fly-catching lamps are installed to sample and analyze the types and quantities of flies under the fly-catching lamps.

3. Advantages: The method is simple to implement and low in cost, and can record the density, distribution and changing trend of pests to a certain extent, which is helpful to monitor and control migratory pests.

4. Disadvantages: Due to the large migration range of pests, it is difficult to accurately detect the number of pests, which is prone to deviation and cannot accurately judge the changing trend of pests.