Are longicorn beetles beneficial insects or pests?

Longicorn beetles are the general name of insects of the family Cerambycidae of Coleoptera. Chewable mouthparts have long antennae, which often exceed the length of the body. There are more than 20000 species in the world. Larvae and adults like to move on trees. For example, mulberry, willow, poplar, citrus, pine and so on, there are many species of longicorn beetles. Let's take a look at whether longicorn beetles are beneficial insects or pests.

Are longicorn beetles beneficial insects or pests?

Longicorn beetles are the main pests in forestry production, crop cultivation and construction wood. Longicorn beetles are mainly pests of woody plants, which erode tree trunks, branches and roots in the larval stage. Some of them are harmful to herbs, and the larvae live in the stems or roots, such as longicorn beetles, melon and rattan longicorn beetles. Individual species, such as cotton capsule longicorn beetles, harm cotton capsules. There are a few species, the larvae do not live in plant tissue, but feed on the roots in the soil, such as big teeth and curved teeth saw longicorn beetles, grass longicorn beetles and so on.

What do longicorn beetles eat?

Longicorn beetles are herbivorous insects, which are known to eat pollen, tender bark, twigs, leaves, roots, sap, fruits, fungi and other habits. Longicorn beetles often feed on pollen, while longicorn beetles often damage tender bark, twigs and leaves. Longicorn beetles are the main pests in forestry production, crop cultivation and construction wood, which can harm most pine, cypress, willow, elm, walnut, citrus, apple, peach and tea, some cotton, wheat, corn, sorghum, sugarcane and hemp, and a few wood, construction, houses and furniture.

What kinds of longicorn beetles are there?

1. Tiger longicorn beetle: Tiger longicorn beetle is a kind of pest, which belongs to the genus Cerambycidae of Coleoptera, mainly including Monochamus alternatus, Monochamus alternatus, grape tiger longicorn beetle, green poplar tiger longicorn beetle and so on. Adults appear in summer and live in mid-altitude mountain areas.

2. Longicorn beetles: longicorn beetles are unique to Japan, China and South Korea, which can harm poplar, willow, elm, French sycamore, jujube, chestnut and other trees. it is also the main pest of crape myrtle, Platycladus angustifolia and citrus.

3. Sawed longicorn beetles: sawed longicorn beetles belong to the genus Cerambycidae. The main host plants are conifers, pines, fir, cypress, oak, beech, etc., distributed in Northeast China, Inner Mongolia, Hebei, Zhejiang, Sichuan, Taiwan and other places.

4. Lean longicorn beetles: lean longicorn beetles belong to the family Cerambycidae. The main host plants are fir, spruce, Linden pine, fish scale pine and other pine plants, distributed in Northeast China, Zhejiang and other places. Abroad, distributed in the Soviet Union, Korea, Sakhalin Island, Japan and other places.

5. Longicorn beetles: longicorn beetles are insects of the subfamily Cerambycidae of the family Cerambycidae, with nearly square shape, short head and chest, flat and wide sheath wings, female insects are significantly wider than males, head width is smaller than forechest, antennae does not reach the end of the sheath wing, and the fourth section is shorter than the third or fifth segment.