What are the top ten beneficial insects?

The top ten beneficial insects are: bees, dragonflies, seven-star ladybugs, parasitic wasps, aphid flies, lacewings, praying mantises, earthworms, tiger beetles, and foot beetles.

1. Seven-star ladybug ladybug.

It is a small beetle that is loved by people. It has smooth and stiff wing sheaths, and the body and wings are colorful with beautiful spotted patterns. The number of spots on the ladybug is a sign that distinguishes different species. The common ones are seven-star, thirteen-star, twenty-two-star and big red ladybug.

They feed on aphids and scale insects, both larvae and adults, and are friends of humans and doctors of crops. Among them, the seven-star ladybug is the most well-known, the seven-star ladybug is a predatory natural enemy insect of the Coleoptera ladybug family, the adult can prey on wheat aphid, cotton aphid, locust aphid, peach aphid, scale insects, ticks and other pests, which can greatly reduce the damage of trees, melons and fruits and various crops from pests.

2. Praying mantis. The general term for insects of the class Praying Mantis, which usually feed on other species of insects, and the praying mantis feeds on butterflies, cicadas, and locusts, which eliminate most of the harmful insects.

The praying mantis is the little overlord of the insect kingdom. It has a slender body and an elegant appearance, but it has a very fierce personality. In particular, its pair of "broadsword" forelegs are intimidating to other insects.

The praying mantis is extremely patient when it hunts, it can lurk motionless, waiting for those careless prey to enter its prey circle, and when the prey appears, it will quickly pounce on it, grabbing the prey with its thick front legs, and its movements are dizzying.

Bees are very industrious animals. They collect nectar to make delicious honey. Bees are highly nutritious and can be made into a variety of cakes, nutrients, and cosmetics; They also complete plant pollination, which has enabled many crops to increase yields.

Therefore, bees are of great help to humans. Nowadays, modern people not only keep bees, but also raise bees, study bees, and professional beekeepers even use bees to create wealth. According to Maigou's.

Bees are insects that are absolutely beneficial to humans.

Silkworm. What are beneficial insects? To humans, silkworms are undoubtedly a beneficial insect.

Silkworms, also known as silkworms and silkworms, are one of the economic insects that spin silk and cocoons on mulberry leaves. The main objects of mulberry silkworm cultivation are cocoons and silk. Silkworms go through four completely different stages of development in terms of morphology and physiological function:

Eggs, larvae, pupae and adults. Different parts and metabolites at different stages of development have a wide range of medicinal properties.

Seven-star ladybug. The seven-star ladybug is a beautiful insect that belongs to the ladybug family and the ladybug genus. It is also a well-known beneficial insect that is widely distributed in Africa, Europe, and Asia.

The seven-star ladybug goes through four different stages of development: egg, larva, pupa and adult. The developmental duration of each insect state is mainly influenced by food and temperature.

The seven-star ladybug is a migratory insect. The foraging behavior of adults and larvae belongs to the transition between wide-area search and area-focused search. Adults can prey on wheat aphids, cotton aphids, peach aphids, ticks, and other pests.

They often eat plant pollen in the fall, which not only greatly reduces the damage caused by pests to many fruit crops and trees, but also helps plants to transmit pollen.

Mantis. What insects are good for humans? Then you have to mention the praying mantis.

The praying mantis is a carnivorous insect. Both adults and nymphs are carnivores. It feeds on other insects and small animals.

It is a well-known beneficial insect in agriculture and forestry. The praying mantis is characterized by having two "broadblades", that is, a row of hard, serrated forelimbs with a hook at the end to catch its prey; The head is triangular and rotates flexibly; compound eyes prominent, large and bright; slender antennae; The neck can rotate freely, the mouth is chewed, and the palate is strong. Its diet consists of adults and larvae of more than 60 species of pests, such as cotton aphids, red bollworms, corn borers, vegetable borers, cabbage worms, beetles, flies, and grasshoppers.

The praying mantis is also a sworn enemy of locusts and is a common beneficial insect.

Earthworm. Earthworms are very common beneficial insects. They live in the soil and drill holes and holes in the land to loosen the solid soil and allow more air and water to seep into the soil, which is beneficial for the growth of plants and crops.

In addition, earthworms can also improve the fertility of the soil. The decaying organic matter and large amounts of soil particles eaten by earthworms are digested into feces and excreted from the body. They are very good fertilizers that protect crops from thriving.

Dung beetle. Among beneficial insects, you can't imagine that the fecal shell lang is also a common beneficial insect. The dung beetle is the scientific name of the dung beetle, belonging to the family Coleoptera golden tortoiseshell, with a black or dark brown body and large and medium-sized insects.

There are more than 20,000 species of dung beetles in the world, which are found on any continent except Antarctica. Most dung beetles feed on feces.

Beneficial insects refer to insects that are helpful to human life, agricultural planting or other organisms, beneficial insects feed on pests or germs that gnaw on crops, so as to protect the natural ecology, common beneficial insects are bees, praying mantises, seven-star ladybugs, frogs, dragonflies, silkworms, parasitic wasps, lacewings, etc., among which seven-star ladybugs feed on scale insects and aphids.

Beneficial insects are insects that are good for crops and people's lives. Beneficial insects can eat pests and bacteria that harm crops, so as to maintain the normal growth of crops and protect the natural ecology.

Praying mantis is a carnivorous insect, in the process of growth, to aphids, vegetable insects, cockroaches and other pests as food, reduce the probability of crops to produce pests and diseases, but mantis in the case of less food, will also prey on their own kind, and the life span of the praying mantis is shorter, can only survive for one year.

Ladybugs are beneficial insects, and they can eat aphids, scale insects and other pests to protect the growth of crops, and most varieties of ladybugs are beneficial insects, feeding on germs and pests, but herbivorous ladybugs are pests that will eat the leaves of zucchini plants and affect their growth.