What kind of medicine is generally used for black insects and black pine diseases and insect pests o

Your description is not specific enough. It may be a scale insect, referred to as "scale", please search the Internet for related ** and description, and compare it with the real thing. The scale is difficult to treat, and the medicine sprayed directly on the insect body is better with stone sulfur mixture, and other control methods please search on the Internet.

Pesticide pests and diseases were selected in time to control P. nigra, and P. nigra had strong resistance to pests and diseases, and its resistance to pine scales and pine caterpillars was better than that of Pinus saturatis and Pinus tabuliformis. The main diseases are pine seedling cataplexy, and the seedbed is watered with 4 to 6 grams of square meters of 75% Dixon; Pine seedling leaf blight was sprayed with 40% carbendazim 800 times solution or 40% methyl tobuzin 800 times solution. The main insect pests are Japanese pine scales, which are controlled with 3 to 5 times 50% monocrotophos EC or 40% dimethoate; Pine caterpillars can be killed by spraying 1000 to 1500 times with 50% dichlorvos emulsion.

Summary. Pine aphid is a very common pest in the process of landscaping management, it is the same as other kinds of aphids are by sucking the sap in the branches and leaves of the plant for a living, because its body size is larger than the previous aphid, and mainly harm whitebark pine, Pinus tabuliformis, Pinus sylvestris, Pinus sylvestris, Pinus massoniana and other pine plants, so it is called Pine aphid.

When the pine tree is split, there is a white bug inside, what is this bug called? Is it OK to eat? Is there any harm to the body?

Songkong Qida aphid is a very common pest in the process of landscaping management, it is the same as other kinds of aphids are by sucking the sap in the branches and leaves of the plant for a living, because its body size is larger than the previous aphids, and mainly harm the pine plants such as Pinus tabuliformis, Pinus tabuliformis, Pinus sylvestris, Pinus sylvestris, Pinus massoniana, etc., so it is called Pine Sakura Aphid.

This worm must not be eaten.

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What kind of bug is it that appears on a pine tree?

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Hello, the pine tree appears this insect called pine caterpillar, is a normal phenomenon in nature, if the insect is particularly much is the insect pest, the prevention and control should be implemented in the right place and the right tree, reasonable mixing, good file and good tending management and other principles based on forest measures, if necessary, it can be supplemented with pesticides to prevent and control. I hope my argument can help you <>

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It's different.

Shouldn't pine caterpillars look like caterpillars?

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Hold on. Isn't it a larvae?

Yes, this bug is a longhorn beetle larvae.

But I didn't look at the tentacles.

There are no larvae, they will have them after a long time.

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What bugs are on dry pine trees.

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Hello, glad to answer for you. On the dry pine trees are the larvae of the pine brown longhorn beetle.

What did it look like when you grew up?

Is it a pest? It is the main dry-boring pest that harms pine trees, and its adults supplement nutrients, eat the bark of young branches, and cause the host to weaken; The larvae burrow into the trunk of the tree, causing the pine tree to die.

Good. That's how I grew up.

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Good. Uh-huh.

Types of Diseases The main disease that can occur in this pine tree is branch blight, which is a parasitic pathogen with relatively high parasitic ability. They are basically lurking inside the tree, but if the rain is normal, the germs will not attack the tree. But when there is too much rain, too little rain or too cold weather, the health of the tree itself will decline.

That's when the bacteria can damage the black pine. But don't underestimate this disease, if it is serious, it can completely kill the whole tree.

Disease prevention and control Therefore, it is very important to prevent and treat this disease. First of all, it is necessary to strengthen management, the amount of fertilizer should be sufficient, and the location of fertilization can be selected around the tree. But you should also keep a certain distance from the trunk, about one meter.

If there are seriously diseased trees around, you should immediately remove the valve directly. Trees that are not severely affected can choose to remove the dead branches and leaves that they have already suffered, as well as the surrounding grass. Moreover, it is necessary to concentrate on destroying these diseased branches.

In addition, there are also branches that grow too densely, which will block the sunlight that the branches can come into contact with, so that the branches that are too dense should be left and the weak ones should be removed directly.

Insect pests There are many insect pests that this tree is susceptible to, such as pine borer, pine caterpillar, etc. Among them, the feathering of the pine borer is generally around 11 a.m., and if it appears on the young plant, it may directly lead to the death of the young plant.

Pest control Usually observe more, and if you find a pest, you should treat it immediately. Because even the discovery can reduce the wound and avoid the appearance of disease. The best treatment period is when the overwintering adults appear, and a certain dose of pine borer EC can be used.

If you don't want to use a potion, you can also use other methods to trap them.

Pine caterpillar: It is an insect of the genus Pine Caterpillar of the Lepidoptera family Leaf Moth.

Synonyms: Masson pine caterpillar.

Hosts: Pinus macrosylvestris, Pinus nigra, Pinus spp., Pinus huangshan, Pinus marshland, Pinus sinensis, Pinus sinensis, etc.

Characteristics of the pest: The larvae feed on the coniferous leaves, often eat up the leaves, the pine forest is like a fire, resulting in the death of a piece of pine forest, and the damage is rampant in low mountains and hilly areas in recent years. In addition, the poisonous hairs of the insect touch the human body, causing redness, swelling or erosion, and the poisonous hairs stain the water source and affect human health.