1、 Starscream

Red spider is a common pest. Although the name carries spider, it is actually mite. This pest will nibble at the leaves of lavender, resulting in rust spots, withered and yellow spots, which hinders the photosynthesis of leaves and is not conducive to plant flowering. The treatment is mainly prevention. In July, spray the plant with pyridaben or avermectin solution once every 10 days, generally 2-3 times

2、 Aphid

Aphids are also one of the pests endangering lavender. They often occur in summer and autumn. Usually, a large number of adults gather in July. They will suck the juice of the plant and affect its health. Generally, prevention and control should be carried out in the middle and early ten days of July. Spraying once with marathon solution can well eliminate pests. Proper fertilization at ordinary times can also improve the disease resistance of plants

3、 Leaf cicada

There are many kinds of leafhoppers, including black tailed leafhoppers and big green leafhoppers. No matter which kind is very small, it mostly feeds on plant juice, resulting in white spots on the leaves. This pest has strong reproductive ability. It can have 4-5 generations a year. It can trap and kill adults with black light lamp. In addition, it can also be sprayed with deltamethrin solution for killing

4、 Jumping armour

Flea beetle is a kind of insect that is good at jumping. It is widely distributed all over the world. Its body size is less than 6cm. It mostly occurs in spring and autumn and is harmful to a variety of plants. If you want to eliminate this pest, you can irrigate the root with trichlorfon or phoxim to eliminate the hatching larvae. For adults, spray dichlorvos or malathion solution