Is cicada a beneficial insect or a pest
Cicada is a pest. It mainly lives by sucking the juice from the roots of plants. After mating, the ovipositor will be inserted into the xylem of young trees to lay eggs, which will have a certain negative impact on the health of trees. Because cicadas are a hole every time they lay eggs, they often leave many small holes on a branch.
It can be seen that cicadas do harm to plants and damage to trees. If there are too many cicadas, even the branches will wither.
What is the efficacy and function of cicada?
1, can clear and moisten throat.
The shell of cicada can be used as medicine, which has the effects of dispelling wind and clearing heat, clearing throat and moistening throat, and has certain medicinal effects on pharyngitis, sore throat and hoarseness.
2, relieve pain and itching
Cicada is also a kind of Chinese herbal medicine that can relieve pain and itching, and it is very effective in treating some skin diseases. Generally, it is decocted with other Chinese herbal medicines, and some of them can also be grinded and directly applied to dermatoses.