Are longicorn beetles pests or beneficial insects?

Cerambycidae is a pest, and Cerambycidae is the main pest in forestry production, crop cultivation and building wood. Longicorn beetles are mainly pests of woody plants, and feed on trunk, branches and roots in larval stage.

Some harmful herbs, larvae live in stems or roots, such as Anoplophora Daphne, Anoplophora guatemala and so on. Individual species, such as cotton beetles, are harmful to cotton beetles. There are a few species, the larvae do not live in plant tissues, but feed on the roots in the soil, such as big-toothed sawnail, grass nail and so on.

Cerambycidae is an herbivorous insect, and it is known that it has different habits of feeding on pollen, tender bark, twigs, leaves, roots, tree juice, fruits and fungi. Cerambycidae often feeds on pollen, and Cerambycidae often eats tender bark, twigs and leaves.

Extended data:

Species of longicorn beetles

1, Cerambycidae: Cerambycidae is a pest belonging to Coleoptera Lepidoptera, mainly including Cerambycidae, Cerambycidae, Cerambycidae, Cerambycidae and Cerambycidae. Adults appear in summer and live in middle altitude mountainous areas.

2. Monochamus alternatus: Monochamus alternatus is endemic to Japan, China and South Korea, which can harm poplar, willow, elm, French phoenix tree, jujube, chestnut and other trees, and is also the main pest of Lagerstroemia indica, Platanus acerifolia and citrus.

3. Sawflies: Sawflies belong to the genus Sawflies of Cerambycidae. The main host plants are conifers, pines, Taxodium, cypress, Quercus and Zelkova. , distributed in northeast China, Inner Mongolia, Hebei, Zhejiang, Sichuan, Taiwan Province and other places.

4. Anoplophora glabripennis: Anoplophora glabripennis is an insect belonging to the genus Anoplophora of Cerambycidae. Its main host plants are fir, spruce, Tilia amurensis, ichthyosis and other pine plants, which are distributed in northeast China, Zhejiang and other places, and abroad are the Soviet Union, Korea, Sakhalin Island, Japan and other places.