Plant protection encyclopedia
When the tianniu control is carried out
——— Huangpu District ———
The Celestial Bull, the general term for insects of the Coleoptera family, chews the mouthparts, have very long antennae, often exceeding the length of the body, and there are more than 20,000 species worldwide.
Artificial hook removal of larvae
Prevention and control work site
Xingtian cattle, bare-shouldered xingtian cattle and other dry moths are the main pests that harm the backbone tree species of plane trees in our city, and the larvae eat tree branches or trunks, causing the growth of the whole tree to decline or even die when the harm is serious, and it is easily broken by the moth branches on windy days, affecting the safety of pedestrians and vehicles.
Tianniu hazard symptoms
At present, it has entered the larval harm period of tianniu, and most of the larvae are endangered in the phloem part of the tree, which is the best period for manual digging up of larvae. Huangpu greening conservators are carrying out larval hook removal, combined with late chemical control, to protect the healthy growth of trees.
Tianniu small science
Star Cow
Anoplophora chinensis
It belongs to the Coleoptera family, which is distributed in most parts of China, and the larvae eat a variety of trunks, and are very powerful moth dry pests. In particular, jujube trees, willow trees, etc. are often eaten to death by their moths.
Bare-shouldered star Celestial Bull
Anoplophora glabripennis
Belongs to the Coleoptera family, in many places in China have distribution, larvae moths eat willow trees and other trunks, when feathering drill out of the trunk, will cause physical necrosis of the trunk or infection with pathogenic bacteria after disease death.
Peach-necked celestial bull
Aromia bungii
It belongs to the Coleoptera family, and is distributed in many parts of China, and the adults are larger, black, and the dorsal plate of the forebrea is bright red. The hosts are mostly apricots, peaches, willows and other plants.
Cloud-spotted celestial cow
It belongs to the Coleoptera family, and is distributed in many parts of China, and adults have cloud-like white markings composed of white or light yellow villi on each coleope, and there are particles of varying sizes at the base of the elytra. After the adults climb out of the feathered holes, they prefer to inhabit the huge hosts of the canopy, such as ash, mulberry, willow, black oak, privet and so on.
Grain shoulder Tianniu
Apriona germanri
It belongs to the Coleoptera family, alias Sangtianniu, which is distributed in many places in China, and is a large Tianniu, which has very obvious distinguishing characteristics of the tumor process at the base of the elytra. The larvae feed on a variety of trunks and are also very powerful dry moth pests.
Edited by / Huang Qianwen
Source/ Huangpu Greening