What are the beneficial insects?

Insects are the most common kind of arthropods. There are more than 1 million known species of insects, the most common of which are locusts, butterflies, bees, dragonflies, flies, grasshoppers, cockroaches and so on. Most insects can be used as specimens and precious medicinal materials. They are good resources that human beings can make use of. Let's take a look at the beneficial insects.

Bees

Honeybees are one of the insect groups that are beneficial to human beings, because bees collect honey during the day and make honey at night in order to obtain food, and at the same time complete the task of pollination for fruit trees and an important medium for crop pollination. Pollination for crops, fruit trees, vegetables, forages, Camellia oleifera crops and traditional Chinese medicine plants, the yield can be increased several times to 20 times. According to reports in the United States, the effect of honeybee pollination on onion production is obvious. At the same time, honey is a commonly used tonic, known as "milk for the elderly", and royal jelly is an advanced nutritional product, which can not only enhance the physique and prolong life, but also treat chronic diseases such as neurasthenia and anemia.

Dragonfly

The larvae of dragonflies can prey on larvae of mosquitoes in the water. Adults usually fly in ponds or rivers to prey on flying insects. Apart from large amounts of insects that are harmful to humans, such as mosquitoes and flies, they are the most common beneficial insects.

Mantis

Mantis is the overlord of the insect kingdom, with slender wood and elegant appearance, but its character is very ferocious, especially its front feet like "broadsword", which deter other insects and usually take catching other kinds of insects as food. Butterflies, cicadas and locusts are the main food, which can destroy most harmful insects.

Ladybug

The life of ladybug larvae is monotonous, cruising among flowers and plants every day, frantically preying on aphids. Adults will prey on any fleshy and soft insects, and their favorite food is aphids. People often collect groups of ladybugs and sell them to farmers and horticulturists to control aphids, scale, mites and other pests.

Silkworm

Silkworm is one of the insects with the longest and greatest contribution to human beings. it is the main raw material source of silk and plays an important role in human economic life and cultural history. Legend has it that as early as three thousand years ago, the Yellow Emperor's wife, Kui Zu, began to "raise silkworms and take silk." The worms and pupae of silkworms are edible and have the effect of dietotherapy.

Lacewing

Lacewings are predatory insects, belonging to the order Neuroptera of Insecta, which can effectively and massively prey on a variety of important agricultural pests, such as Chrysopa, Chrysopa, etc., and can still eat more than 100 aphids a day on average. therefore, the artificial use of lacewings to eliminate pests has been widely carried out.

Dung beetle

Dung beetles feed on animal faeces, eat more food than their own weight within 24 hours, and speed up the process of transforming faeces into substances that can be used by other organisms. They are known as "natural scavengers", which is beneficial to human beings. The original species of dung beetles in Australia only prefer to eat small droppings such as kangaroo droppings rather than exotic cattle and sheep droppings. From 1965 to 1985, the Australian Federal Scientific and Industrial Research Organization launched the Australian dung beetle program. 23 species of dung beetles were successfully introduced from around the world, resulting in improved dung accumulation in Australian pastures and reduced harmful jungle flies by about 90 per cent.