Why are there so many white bugs this year?

Tobacco planthopper is a greenhouse pest, which appeared in a large area in our city seven or eight years ago. The reason why tobacco planthoppers propagate in large areas and enter the nature is related to the high temperature and dry weather this year. The temperature in early September this year was higher than in previous years, and the weather was relatively dry. Wang Dongping, senior engineer of Xuchang Meteorological Bureau, said that the city was in a rainy and light state before and after the rain from September 15 to September 17. In late September, the city is expected to enter a period of less precipitation, with a slightly higher temperature than in previous years, less precipitation and more light.

At present, the only way to deal with the harm of whitefly is spraying. Too high spraying frequency will have a negative impact on street trees and green belts. The jurisdiction of the landscaping department includes the management of street trees, parking lots and some green spaces in urban areas, and other green spaces are managed by other departments. However, whitefly is contagious to plants, and it needs the simultaneous efforts and coordination of all parties to produce better results.

Tobacco planthopper belongs to Homoptera whitefly family. It feeds directly on tomato juice, which makes tomato plants weak. Nymphs and adults can also secrete honey dew, thus inducing sooty blotch. When the density is high, the leaves appear black, which seriously affects photosynthesis. In addition, Bemisia tabaci can spread viruses.

It also has a strong inhibitory effect on insect metamorphosis and oviposition reproduction, so it can fundamentally solve the harm of rice planthopper. It has the characteristics of high efficiency, low dosage, long duration, safety to crops and little impact on ecological environment.