Dragonfly is a general term for insects of the order Odonata. It is an ancient insect that appeared as early as 0.3 billion years ago in the Carboniferous. The body is slender, with two pairs of transparent wings, wings covered with mesh veins, flying ability is extremely strong. The head has a pair of compound eyes, which are large and prominent, with a wide field of vision, and can keenly capture flying insects. Mainly living near the waters, the larvae live in the water and feed on small organisms in the water. Adulthood in the air to prey on mosquitoes, flies and other small insects, is the famous "air hunter". It flies extremely fast and can make sharp turns and hover. Is an important beneficial insect.

The giant round buttock fly, also known as the non-bully hook fly, is one of the largest dragonflies in the world. Adult body length up to 95-100mm, wing span up to 120-140mm. The head and thorax are black with yellow markings and the compound eyes are turquoise. The larvae live in water and prey on small aquatic animals and fish fry. The adults prey on flying insects such as mosquitoes and flies in the air. Distributed in China, Japan and South Korea, in China mainly found in Jiangsu, Zhejiang, Guizhou, Guangdong and other places. It is not only beneficial insects, but also a large number of pests, and its larvae can also be used as an indicator of water pollution.

The six-spotted heteropyridis is medium in size, with adult body length up to 13mm, body color is usually black, with multiple white or yellow spots on the anterior thoracic back and elytra, and 6 obvious white or yellow spots on the elytra. Mainly found in parts of Europe and Asia, it is common in sunny areas such as forests, meadows and gardens. It is a predatory insect, which mainly feeds on the insects of the leaf nail family and has a certain effect on the control of pests. The adults migrate from the forest to sunny rocky hillsides or buildings in early autumn in search of overwintering sites, forming clusters of up to several hundred individuals that maintain higher temperatures by aggregating to survive the winter.

Tiger beetle is the coleopteran tiger beetle family insects collectively, is a class of medium-sized beetle, with bright metallic luster and rapid action ability is known. The head is large, the compound eyes are prominent, the antennae are filiform, and the elytra is long and can cover the entire abdomen. The adult body length is generally 17.5-22mm, 7-9mm wide, and each part of the body has a strong metallic luster. It is a carnivorous insect that is active during the day and can fly low to prey on small insects. Spend most of the time on the ground, good at chasing small insects and catching prey with long, powerful jaws. The larvae live in vertical holes dug by adults and retreat into the holes when frightened.

Honeybee is an insect of Hymenoptera honeybee family, belonging to social insects, with a high degree of organization and division of labor. The body length is usually between 10-20mm. The head has a pair of compound eyes for sensing light and movement, and a pair of antennae for smell and touch. The thorax has three pairs of feet and two pairs of wings, and pollen baskets on the hind legs for pollen collection. It is divided into three types: queen bee, worker bee and drone bee. It belongs to the complete metamorphosis development insect. It feeds on nectar and pollen by collecting nectar and converting it into honey for storage. It is of great significance to maintain ecological balance and increase agricultural production by visiting flowers to help plants pollinate.

Honeybee is an insect of Hymenoptera honeybee family, belonging to social insects, with a high degree of organization and division of labor. The head has a pair of compound eyes for sensing light and movement, and a pair of antennae for smell and touch. The thorax has three pairs of feet and two pairs of wings, and pollen baskets on the hind legs for pollen collection. It feeds on nectar and pollen by collecting nectar and converting it into honey for storage. Honey is not only a food source for bees, but also an important food for humans. Bees play an important role in the ecosystem. They help pollinate plants by visiting flowers and absorbing honey, which is of great significance to maintain ecological balance and increase agricultural production.

Bumblebees are social insects belonging to the genus Bumblebee in the family Honeybee, with three forms: queen bee, worker bee and drone bee. The body is large, covered with fluff, and has strong resistance to low temperature and low light. Even in the cold weather when bees do not come out of the nest, bumblebees can move normally. The mouthpart is long and suitable for collecting pollen of deep crown tube flowers, so it is of great value in agricultural pollination. Belongs to completely metamorphic insects. The selectivity of pollen and nectar is strong, with high pollination efficiency. Widely distributed in cold and temperate regions, China has more than 120 kinds. It plays an important role in the ecosystem.

The damselfly is a small carnivorous insect belonging to the Insecta, Odonata, and Bundle-winged suborder. It is similar in shape to the dragonfly, but with a more slender body. The body is slender, the compound eye is developed, the antennae are setae, the front and rear wings are similar in shape and almost the same size, and the wings will unite and stand on the back when resting. Bright color, with metallic luster, usually live close to the water, to mosquitoes, flies and other small insects for food. The reproduction process is very unique, the female will lay eggs on the water side of the plant or in the water, the larvae live in the water, after many molts after eclosion into adults. It is a beneficial insect for human beings and can help control the number of pests.

The Chinese gladiator, also known as the Chinese giant roach and the Chinese sword, is a progressive carnivorous insect of the Arthropoda, Insecta, Mantis, Mantis, Mantis. It is one of the largest mantis in China, with a body length of 7-9cm and a green and brown color type. The specific color varies with the living environment. The head is triangular, with prominent compound eyes and short antennae. The forearm is long and the forefoot is strong, with spikes, suitable for catching prey. The main prey on locusts, moths, butterflies, flies and other pests, and occasionally prey on small reptiles. Widely distributed in the north and south of China, also found in Japan, Vietnam, the United States and other places.

He is one of the strongest members in the insect kingdom in terms of flying ability, known for his agile flying skills and hunting ability. The body size ranges from small to large, and is divided into three parts: head, chest, and abdomen. The head usually has a pair of large and prominent compound eyes, providing excellent visibility. The wings are transparent or semi transparent, with two pairs, the forewings and hindwings, which can quickly adjust the angle during flight, achieving high difficulty movements such as hovering, quick turning, and diving in the air. Larvae live in water and feed on small aquatic animals, while adults prey on other flying insects in the air. The hunting method is very unique, able to chase and capture prey in the air.