Melon seed boxwood knot silk mesh? Two days to let it "cocoon itself"

Boxwood silk borer is a kind of dangerous garden pest that gradually aggravates the harm, is a malignant pest on boxwood plants, especially in recent years, with the introduction and popularization of boxwood greening trees such as melon seed boxwood, bird's tongue boxwood, etc., the yellow poplar silk borer has seriously erupted in many places, causing major losses to the greening work, and should arouse vigilance, pay attention to prevention and control, and control its further spread and spread.

【1】The harm of boxwood silk wild borer is the heaviest in melon seed boxwood:

Boxwood silk borer mainly harms boxwood plants, such as melon seed boxwood, bird's tongue boxwood, large-leaved boxwood and other plants, but among them, melon seed boxwood and bird's tongue boxwood are the most seriously affected. Often with larvae to eat young shoots and leaves, spit silk conjugated leaves, feed on them, the affected leaves are scorched, the serious street victimization rate of more than 50%, or even up to 90%, outbreaks can eat the leaves, resulting in the death of boxwood adult plants.

【2】The activity trajectory of the boxwood silk borer:

1. After the larvae hatch, they scatter to find young leaves for food, and the hatching larvae eat the leaf flesh on the back of the leaf;

2. 2-3 instar larvae spit silk to connect the leaves and young branches into a nest, and eat the leaves inside, showing a lack of carving;

After 3 and 3 years of age, the scope of feeding is expanded, the amount of food is increased, the harm is aggravated, and only the silk mesh, molting and insect feces remain in the severely damaged plants, and a small amount of leaf edges and leaf margins remain;

4. The larvae eat the harm day and night, and the harm is transferred after 4 years.

[3] Qilin experts help you cure insects for 2 days:

In May 2021, Qilin personnel received a consultation from the greening maintenance personnel, a large area of melon seed boxwood leaves in a park network, serious insect pests, after on-site visits, found that it is the outbreak of yellow poplar silk borer hazards, and then took technical measures (Qilin Royal Moth) to prevent and control, after two days of medication to get feedback, boxwood silk borer has been poisoned to death, the specific effect diagram is as follows: