Humans and pests have fought countless battles, and using the natural enemies of pests to treat insects with insects is one of the most effective methods. As the natural enemy of aphids, the aphid cocoon wasp has made great contributions to the eradication of the world's largest pest, the aphids.
The aphid cocoon wasp is a member of the insect family Hymenoptera aphid cocoon bees, and all species in this family are parasitic wasps in the body of aphids. The aphid cocoon wasp mainly subdues aphids with its eggs. During the spawning season, females begin to mate with males, but females can lay eggs regardless of whether they mate or not. When laying eggs, the female bee stabs the ovipositor into the back of the aphid's abdomen and lays the eggs into the aphid so that the eggs of the aphid cocoon bee parasitize inside the aphid. The eggs that parasitize the aphids develop into larvae there, which stimulate the aphids, increase their diet, gain weight, and malignantly swell their bodies, and finally turn into a grain-like yellow-brown or reddish-brown zombie aphid that is stiff and immovable. There is another case, some bee larvae secrete insect hormones in the aphid body, excessive hormones affect the normal development of aphids, so that the aphids are abnormally perverted, or die early, or do not grow up, and eventually die. An aphid cocoon bee can lay hundreds of eggs, each egg is a "bullet" fired at an aphid, and almost "bulletless",
There was the highest hit rate, which, according to someone tested, was as high as 98%. Contemporary agriculture and forestry have introduced aphid cocoon bees in large quantities to control insects, and aphid cocoon bees have become a powerful force to eliminate aphids.
