Breeds and pictures of beetles

The common beetles in my country include star beetles, pink-necked beetles, mulberry beetles, glabri-shouldered star beetles, red-margined beetles, cloud-spotted white-striped beetles and other species.

Star longhorn beetle: It is a species unique to my country, Japan and South Korea. Its body length is about 50 mm, its body color is bright black, its body wings are black, and there are 1 white on the left and right sides of the chest and back. point.

Pink-necked longhorn beetle: The body is black, the elytra are smooth, the pronotum is red, and there are 4 smooth warts on the back.

Sangifera: The body and elytra are black, covered with short yellowish-brown hairs, the top of the head is raised, and there is a longitudinal groove in the center.

1. Star beetle

1. The body length is about 50 mm, the head width is about 20 mm, the body color is bright black, the body wings are black, and how many elytra are there in each There are 1 white spot on the left and right sides of the chest and back. There are many white spots scattered on the wing elytra, and the size of the white spots varies greatly.

2. Star beetles are endemic to my country, Japan, and Korea. Female star beetles can lay about 200 eggs once they mate. The eggs are separated and hidden in the bark of the tree. The larvae After hatching, they will burrow into the trunk and pupate when fully developed.

2. Pink-necked longhorned beetle

1. This species is also known as iron cannon bug and red-necked longhorned beetle. The body is black and shiny, the elytra are smooth, and the pronotum is Red, with 4 smooth warts on the back, with angular lateral spines.

2. Jiangsu, Zhejiang, Henan, Hebei, Northeast, Beijing and other places in my country are the main distribution areas.

3. Longhorn beetle

1. The main distribution areas are Hunan, Hubei, Guangdong, Guangxi, Beijing, Tianjin and other places in my country.

2. The body and elytra are black, covered with short yellowish-brown hairs, the top of the head is raised, and there is a longitudinal groove in the center. The upper jaw is dark brown, strong and sharp.

3. The adults damage leaves, bark, and twigs. The larvae will feed downward under the bark and xylem, and will excrete a large amount of feces.

4. Star Beetle

1. The body is black and shiny, about 20-35 mm in length. The antennae have 11 segments, the base is blue-black, and each wing cover has 20 white spots.

2. This species is a forestry pest. Its main parasitic plants are willows, sycamores, poplars and other trees. The larvae will eat the trunks, causing a large amount of wood damage.

5. Red-margin longhorned beetle

1. The main distribution areas are Shanxi, Hebei, Beijing, Northeast and other places, including Elaeagnus angustifolia, Caragana pheasant, Acanthus sorbifolia, Plum Blossom, and Ulmus elata Plum, jasmine, apple, wolfberry, grape and other plants are the main host plants of this species.

2. The larvae will feed on the parasitic plants, causing the plant growth to weaken and some branches to die. In severe cases, the trunk will be girded and peeled.

6. Cloud-spotted white-striped beetle

1. This species is mainly distributed in Hunan, Hubei, Yunnan, Sichuan, Shaanxi, Jiangxi, Taiwan, Guangxi, Guizhou, Zhejiang, Fujian, Shandong, Jiangsu, Guangdong, Anhui and other provinces.

2. The main harm targets of this species are ash trees, paulownia trees, poplar trees, elm trees, mulberry trees, sycamore trees, willow trees and other forest trees, as well as fruit trees such as pear trees, apple trees, walnut trees and so on.

3. The adults will eat the tender bark and new branches, and the larvae will eat the xylem and phloem, which may affect the growth of the tree at least, or cause the tree to die.