Unknown Dragonfly New species?

Maybe it's a black python.

The black cockroach belongs to the suborder Homoptera, the family Chromoconidae. The body of the black mounds is large, and the thorax is black and greenish, slightly shiny; wings black or brown; feet with long spines; The dorsal surface of the abdomen is green with a metallic sheen, and the ventral surface is black. They mostly live near ponds and rivers, and their flying ability is not strong.

The body length is 55 mm, and the wingspan is 80 mm. It is mainly distributed in Beijing, Northeast China, Jiangsu, Zhejiang, Fujian, Shaanxi, Hunan, Guangxi and other places.

Is there a lot of them or just one?

<> the picture below is the Mixna mixta (Mixed Dragonfly).

The larvae of dragonflies are called water flies (chài).

1. Water fly (chài) is a general term for the larvae of insects of the order Dragonfly. The body color is generally dark brown or dark green, similar in appearance to its adult, wingless, and not sexually mature.

2. The period of the water fly has different lengths according to the different species, the short is about 2-3 months, the common species is about 1-3 years, and the longest is 7-8 years to fully mature into a finger hole, during which it needs to go through about 8-14 times of peeling, and then crawl out of the water and become an adult dragonfly.

The larvae of dragonflies are called water flies (chài).

The larvae of dragonflies are called water flies (chài).

Damselfly. Damselfly is a brightly colored carnivorous insect such as Xianyan, the body of the damselfly is slender, the compound eyes are developed on both sides of the head, chewing mouthparts, the antennae are bristle-like, the shape of the front and rear wings is similar, the middle chamber of the wing veins is square, the wings have wing stalks, and the dragonfly belongs to the dragonfly order, the difference with the dragonfly is that the wings are stretched and stacked together when the damselfly rests, and the four wings of the damselfly are almost the same size, while the two hind wings of the dragonfly are slightly longer and wider than the two front wings.

Difference with dragonflies.

1. The distance between the eyes: most of the compound eyes of dragonflies are connected to each other or separated only by a small distance; The damselfly's eyes are separated by a considerable distance, and the shape is like a dumbbell.

2. The shape of the wings: The dragonflies of the order Dragonflies are different in shape and size of the front and rear wings, and the difference is very large; It belongs to the suborder Damselfly, and its front and rear wings are similar in shape and size, and the difference is very small.

3. The shape of the abdomen: The shape of the abdomen of the dragonfly Paike is relatively flat and thick; The belly of the damselfly is thin and thin, in the shape of a round club.

The word 虿 (chai), which is used alone to mean a scorpion, illustrates the power of dragonfly larvae.

Dragonfly larvae are called water flies, which live in water and eat small fish.

Dragonflies are aquatic insects that are not completely prepared to change the state of acacia, to be exact, dragonflies do not have larvae. The life of a dragonfly only goes through three stages: egg, juvenile and adult. The juvenile insect of the dragonfly is called the water imitation rock fly, which lives in the water, and after a period of time, it becomes an adult, and then leaves the water and flies to the land.