1、 What kind of insect is it

Red spider is commonly known as big spider, sand dragon and big dragon. Its scientific name is spider mite. The body color of adult mites changes greatly, generally in the shape of red pear. The female adult mites are dark red, with round and spherical eggs. The overwintering eggs are red, and the non overwintering eggs are light yellow. Juvenile mites are nearly round and have three pairs of feet. The overwintering ones are red and the non overwintering ones are yellow. Spawn once a year, about 1000 at a time, hatch after a month, and 13 generations can occur a year

2、 What effect does it have on plants

It is widely distributed and has a complex diet, which can harm more than 110 kinds of plants. The main harm is the vegetable crops of Leguminosae, Solanaceae, Cucurbitaceae and Liliaceae. When the temperature rises in spring and the plant begins to germinate, the overwintering female adult mites begin to harm the leaves, harm the leaves first, dissatisfy with the whole leaves later, and spread through the wind. It is generally in the peak period from July to August, which will make the fully ripe leaves yellow and white, seriously affect the normal growth, and may even lead to death

3、 How to prevent

Starscreams usually occur frequently in high temperature and dry environment, so pay attention to timely prevention and control in case of high temperature, change the maintenance environment, and pay attention to more ventilation at ordinary times. It can also be eliminated with the help of its natural enemies, such as small flower bug, heterochromatic ladybug, phytosuis mite, beam tube mite eating ladybug, etc. In addition, if the pest is serious, it is recommended to spray medicine for treatment. The medicine can be 1000 times of 10% pyridaben emulsion or mixed with 3000 times of 5.7% carbaryl emulsion, so the spraying effect will be better