Which are the beneficial insects and which are the pests of the praying mantis

Hello landlord, it is known that all praying mantis are predatory, and most of them are beneficial to humans.

Such as thin-winged mantis, dead leaf mantis and other praying mantis, can prey on herbivorous insects harmful to humans, such as locusts, lamp moths, etc.

Some praying mantis can also prey on saprophagous or omnivorous insects, such as cockroaches, tide insects, etc.

Therefore, the vast majority of praying mantis are beneficial to humans, that is, beneficial insects in human concepts.

But there are no absolutes, and there are a very small number of praying mantis that are harmful to humans, such as the orchid mantis, which is very similar to flowers in size, and will use camouflage to lurk on flowers to prey on bees and other insects, which has caused harm to human bees to a certain extent.

But from another point of view, the orchid mantis is an extremely important ornamental insect because of its elegant body and bright colors, so it also has a beneficial side to humans.

In addition, most species of praying mantis transmit nematodes, a parasite that is harmful to humans, which is also the harmful side of praying mantises

So, praying mantis has a beneficial side to humans and a side that is harmful to humans. To sum up, the orchid mantis and a few praying mantis that spread nematodes very frequently have certain harm to humans, but at the same time they and most of the praying mantis have great benefits to humans, and the judgment of beneficial insects and pests is not absolute, and needs to be carefully identified and studied.

Handmade original, hope

Praying mantis is known to be predatory, pests, and beneficial insects for the benefit of humans.

Everyone knows that during mating, praying mantis may be due to lack of food, so that females have the possibility of attacking males and being eaten as prey, which is called the wife and husband phenomenon. This has led to the fact that everyone may have a certain prejudice against praying mantises, so that they think that praying mantis are pests, so are praying mantis pests?

Is the praying mantis a pest or a beneficial insectAlthough praying mantis is a terrestrial predatory insect, it mainly feeds on the adults and larvae of more than 60 kinds of pests, such as cotton aphids, red bollworms, corn borers, vegetable borers, cabbage worms, beetles, flies, and grasshoppers. And the praying mantis is the natural enemy of locusts, the enemy of natural agricultural pests. So the praying mantis is actually a carnivorous beneficial insect.

Introduction of the praying mantisPraying mantis is its scientific name, and praying mantis, also known as knife mantis, is an invertebrate and carnivorous insect. In ancient Greece, people regarded the praying mantis as a prophet, and it was also called a prayer insect because the mantis's forearms were raised to look like a praying maiden. The praying mantis is the larger of the insects, generally 55 to 105 mm in length, with a streamlined body, mainly green and brown, and also has a spotted species; The signature feature is the presence of two large knives, the forelimbs, with a row of hard serrations and climbing suction cups at the ends of the hooks.

The head is fan-shaped, smaller; The compound eyes are prominent, large and translucent, mainly yellow-green; antennae elongated; The neck can be rotated 180 degrees; Chewing mouthparts with a strong palate.

The main distribution area of the praying mantisIn addition to the polar regions, it is widely distributed all over the world, especially in the tropics.

Praying mantis is a beneficial insect.

Praying mantis insects are collectively referred to as praying mantises, praying mantis is a carnivorous insect, also known as a knife mantis, invertebrates, carnivorous insects, its food has cotton aphids, red bollworms, corn borers, vegetable borers, cabbage insects, beetles, flies, grasshoppers and other more than 60 kinds of pests of adults and larvae, mantis is still the sworn enemy of locusts, so the praying mantis is a beneficial insect. It is an important natural enemy of agricultural pests.

The body size of the praying mantis is large, the body length is about 105 mm, the body is streamlined, the color is green or brown, the forelimbs are like large knives, distributed with hard serrations, and the head of the praying mantis is fan-shaped, the neck is more flexible, can rotate 180 degrees, and the front wings of the praying mantis are soft, the edge of the hindwings is transparent, and the middle is purple-red.

The habits of the praying mantis

Praying mantis is a carnivorous insect, hunting all kinds of insects and small animals, in the field and forest area can eliminate a lot of pests, brutal and aggressive by nature, lack of food often have the phenomenon of swallowing small and female eating male, individual species distributed in South America can also attack small animals such as birds, lizards or frogs from time to time, praying mantis infiltration has protective color, some and have mimicry, similar to the environment in which it is located, so as to prey on a variety of pests, the action is sensitive, and the time used to hunt is only seconds.

It eats only live insects, firmly pincers its prey with its thorny forelegs, and when frightened, flutters its wings and rustles, and at the same time shows a distinct warning color, it is commonly found in vegetation rather than on the ground, and its body shape can resemble green leaves or brown dead leaves, rolling twigs, lichens, flowers or ants, relying on mimicry not only to avoid predators, but also to be undetectable when approaching or waiting for prey.