If insects do great harm to us, and the number is large, in this case, insects naturally become pests. On the other hand, if an insect has little influence on us or is helpful to us, then it can be counted as a beneficial insect. Adult wasps like to prey on some insects, such as bees, which is the main goal of wasps.
So farmers say wasps are pests, mainly because they often hurt people and are useless to farmers. The rural area is called wasp, and the scientific names are wasp and wasp. Among all kinds of bees, wasps are big, toxic and diverse, and there are 200 recorded species in China. In many kinds of wasps, the toxicity is also different. The most poisonous wasp can kill itself after 3-5 bites, but ordinary wasps can't stand it after 20 or 30 bites.
The armyworm and some moth pests can pollinate. From these aspects, wasps are still good beneficial insects, and many agricultural growers will raise certain wasps in order to eliminate agricultural and forestry pests and achieve the effect of biological control of pests. The wasp's main food is pests, which have a wide range of feeding habits, especially for cotton flower pests.
Bee pupa and wasp are food and health products with high nutritional value, and people are scrambling to taste them. In the medical care theory, wasps are full of treasures. Bee venom of wasps is better and more effective than bee venom. Bee pupa, beehive, etc. They are all good medicines and health products, which have a good effect on human health.
The wasp is a beneficial insect. Like a bee, it is a member of nature. Without them, there will be more pests. Our crops will reduce production. With wasps, crops will use less pesticides, which is healthier for us.