Treatment of wood from bark beetle folk remedies. How to get rid of bark beetle? Bark beetle treatment: reviews, tips, photos

15.06.2019

Owners are well acquainted with bark beetles, grinders and other wood borers. country houses and household plots. The owners of apartments in city skyscrapers are unlikely to meet such an insect. It never occurs to them how much harm a small representative of the fauna can cause to a garden and wooden buildings. How to get rid of bark beetle wooden house working methods and not so, we will consider in this article.

What threatens the bark beetle at home

A small insect does not pose a danger to human health. Unlike blood-sucking insects, the bark beetle does not leave bites, therefore it cannot be a carrier of dangerous diseases or a source of allergies. Pets cannot be affected by the bark beetle. What then is the danger?

Bark beetles are typical tree-eating insects that settle and live directly under the bark, in the bark or the wood of trees itself. Some species choose herbaceous plants with a powerful stem. Female beetles penetrate the wood with their whole body and leave a clutch of eggs. No more than a week passes before the larval phase.

White-transparent in appearance, the larvae are quite voracious. Their main diet is wood fibers and plant sap. Eating about a day 10 g of food, they advance inside the trunk, leaving behind them winding labyrinths.

Until the next phase of development, pupa, takes up to three years. All this time, the larvae remain viable, even in frosty winter conditions. They are able to tolerate temperatures up to 30 ° below zero, falling into a kind of suspended animation. The larva, which has reached the pupal stage, quickly turns into an adult, capable of reproduction.

almost formed bark beetle

Adult bark beetles are no less dangerous for wooden buildings. They attack log structures: residential buildings, baths, utility yards. In a few years, infected wood turns into dust. The insect carries the greatest danger to the supporting structures. This is fraught with the fact that at any moment the supports can collapse, causing injury to residents. Wooden parts of the house damaged by insects become easy prey for fungi. Mold spores penetrate inside the house, harming human health.

The bark beetle is a carrier of mold. This is their microflora. After infecting a house with a bark beetle, mold also appears in the house, which destroys the building even faster!

How to choose wood without bark beetle

Construction timber can be attacked by carpenter beetles while still in storage or storage. Subsequently new house is built from contaminated material. Troubles can be avoided if you follow a number of rules.

Check lumber when buying. The presence of beetles and larvae can be suspected by the presence of small holes and passages.
Logs are harder to check. Infected areas under the bark are almost invisible. Carefully inspect the ends. They shouldn't be damaged.
Try to choose the driest material. Wet wood contains juices that are attractive to bark beetles. The wetter the tree, the greater the chance of insect infestation.
When buying a house that has already been in operation, check its structural parts for the presence of bark beetle. It happens that infected walls and ceilings - main reason sales. Keep in mind that illiquid property can cost much less than regular property.
When buying a new home or self construction, do not forget to carry out antiseptic treatment of the building. It is better to do this three times with an interval of a week. Ready-made preparations are suitable - Antizhuk, Ecolan, Wood healer. In non-residential buildings, it is enough to treat the walls with engine oil.

Unscrupulous manufacturers can put on the market even furniture from infected with bark beetle natural wood. The danger is created not only for the interior, but for the entire room. Most likely, the beetle will begin to look for other wooden elements for resettlement.

Furniture with traces of bark beetle should be disposed of first of all in order to save the whole house: floors, window sills, other furniture.

Signs of the appearance of a bark beetle in a wooden house

It is quite difficult to see the beetle itself. It is activated at night, lives mainly inside wooden structures. But you can determine its presence:

carefully examining the wooden parts of the house;
listening to the noises at night.

On walls, beams, partitions not covered with finishing materials, holes with a diameter of not more than 2 mm can be seen. They signal the presence of a beetle. Gnawing out passages, the insect leaves woody residues that look like dust or flour. By its accumulations, infection can also be determined.

At night, extraneous sounds are clearly audible in a wooden house. Light rustles and clicks are emitted by beetles, making their own moves in the woods.

To get rid of the bark beetle in a wooden house, the owners of wooden buildings use folk remedies or turn to the help of professionals. If you find a pest, do not panic. It is better to try to get rid of the invasion in one of the ways described. If the expected effect is not achieved, it is worth contacting professional exterminators.

Professionals often have to deal with a similar problem. They are well versed in the varieties and families of insects, use effective means of control. In addition, our company gives a guarantee for the work performed, uses modern equipment, carry out processing in a short time.

In such conditions, you do not have to worry about the result. One way or another, the grinders will be done away with.

Self-treatment with insecticides

With a large area affected by a beetle, one cannot do without chemical methods protection. Chemical preparations are sold in specialized departments. Everyone supply detailed instruction to application. For handling toxic substances, it is recommended to observe safety precautions. Protection needed open areas skin, eyes, respiratory organs. fit protective gloves, respirator, glasses, clothes with long sleeves. At the end of the treatment, you must take a shower.

Traders offer insecticides with different active ingredients and recommended methods of application.

But it is worth noting that this method only good when it comes to prevention. In the event that a wooden house is already infected with a bark beetle, then such treatment will not work. The thing is that the larva closes the course during life stool and drilling flour. In the thickness of the tree it is impossible to determine exactly where it is. And surface impregnations act only on upper layer wood. Leaving the larvae in the depths of the tree untouched.

There is also a danger that with the intensive use of chemicals for impregnating and processing wood, the larvae will eventually not touch the upper layers of the log and begin to eat it from the inside. In such situations, the tree seems intact from the outside, but inside it is completely eaten away by larvae and is almost hollow. If this happens with load-bearing structures, ceilings or lags, then collapse cannot be avoided.

Bark beetle pheromone traps

Pheromones- products of external secretion of living beings, allocated to attract individuals of the opposite sex. Carpenter traps use active substances that are secreted by this species of beetles. Simple design It is a cone-shaped plastic trap with a plate impregnated with pheromones fixed inside. Bark beetles fly, attracted by the smell, get inside the structure and remain there, unable to climb out along the slippery walls. It remains only to destroy them. The tool is suitable for dealing with adults only. And the enemy wooden houses are precisely the larvae of the bark beetle.

The method is environmentally friendly and safe for humans, but has many opponents due to the fact that insects at other stages of development cause the greatest harm. And the trap doesn't work on them.

Also, practitioners noted that some individuals do not seek to get inside the trap, but are content with a place nearby. On the other hand, pheromones are considered to be a substance capable of attracting insects from distances up to several kilometers. It is alarming that using a trap, the owners of the house not only lure pests out of the bowels of their own house, but and attract insects from all around. So, instead of destruction, a person only increases the population of pests.

It is better for owners of wooden housing constructions to refrain from such a method. But you can use it to fight bark beetle on open area or in a large forested area.

Professional fight against bark beetle in the house

To work with highly toxic professional products, special equipment and equipment is required: a protective suit, a gas mask. A person without the skill will not be able to carry out high-quality processing. Therefore, when a large area of wooden buildings is infected with bark beetle, they turn to professional disinfection centers and sanitation services. Specialists work with certified products, strictly observing the processing technology. The purpose of the buildings and the degree of damage by the beetle are taken into account.

Fumigation with phosphine from bark beetle in the house

Read more about fumigation with phosphine in a wooden house in this article

Phosphine is a poisonous, odorless, organophosphorus gas, heavier than air. Manipulations are carried out in the absence of a person and domestic animals. After the treatment, the house building is thoroughly ventilated, degassing and decontamination of decay products are carried out. The specialist checks the concentration of phosphine with a special test. If the level is safe, the dwelling can be used.

The danger of using phosphine is that it is impossible to track its presence on your own. The gas has the following properties:

penetrates well into the structure of the tree, passes even into the thickness of the timber;
has a highly toxic effect on insects and rodents;
paralyzes nervous system and vital organs of representatives of the animal world;
leaves no chance for the survival of pests.

Phosphine fumigation is considered a seasonal treatment. Due to the fact that the gas is explosive, manipulations are not carried out in heated rooms, in the presence of heating devices in the house.

Before starting work, it is necessary to de-energize the building and turn off the heating. Fumigation is carried out in the spring and summer at a positive temperature outside the window.

Another prerequisite for phosphine treatment is the need to vacate the house for up to 7 days. All this time in the room with closed doors and windows should not be entered in order to avoid poisoning. After the time has elapsed, the house is thoroughly ventilated and the specialist, when visiting again, measures the level of the Maximum Permissible Concentration using special equipment! If there are in the house open terraces and other rooms without windows and doors that need processing, it is possible to create a gas-tight dome (by the principle of a tent).

The specialist must NECESSARILY measure the MPC level during degassing!

There are nuances in preparation before processing:

household appliances are taken out of the house;
food is removed;
hoods and chimneys are closed with a gas-tight film;
places of possible gas leakage are sealed with adhesive tape or film patches;
domestic plants and animals are removed;
neighbors are warned possible danger proximity (less than 10 meters from the house);
power supply and heating are switched off.

As a fumigant, a preparation based on magnesium phosphide Magtoxin is used. The tool has excellent insecticidal activity, destroys beetles at any stage of development: eggs, larvae, pupae and adults. Gas penetrates into the structure of the tree, does not give insects a chance to hide and survive.

The highest concentration of gas and toxic substances in the room is reached 1-3 days after treatment. Then the toxic substances begin to decompose.

Fumigation Advantages:

completely decomposed;
residual dust does not pose a danger to humans;
economical in spending;
more effective than other registered means.

It is advisable to use fumigation on the territory of large households, in warehouses and granaries. When gassing residential wooden house no traces are left, property is preserved unchanged, all tree insects and rodents die.

Microwave treatment from bark beetle

Another professional pest control method is high-frequency electromagnetic treatment. A special microwave installation heats the wood affected by bark beetle with a microwave emitter. When heated to 60 °, the death of woodworms at any stage of development occurs. For wooden structures, this type of treatment does not pose a danger.

In the fight against bark beetle, it is important to choose a method that 100% destroys adult insects, larvae and eggs. Thus, the growth of the population is interrupted, the emergence of new generations is excluded. In the case when it was possible to get rid of the beetles, and the clutches of eggs remained unharmed, the probability of restoration of the number after a certain period is high.

Preventive measures against bark beetle in homes

You can stop the appearance of bark beetle in a wooden house with the help of preventive methods. It is better to start a fight with him in the territory adjacent to the house and the plot.

To clear the forest and reduce the number of harmful insects, attract birds, install bird feeders and birdhouses. Recognized "forest orderlies" heal their own habitat, getting rid of unwanted neighbors and human housing.
Timely cleaning of the forest from dead wood, fallen trees, stumps, dead branches will significantly reduce the number of convenient pest habitats. It is necessary to regularly thin out the crowns, remove and take away cut branches, and in the spring clean the area from fallen leaves. All these places are attractive for wood-eating insects.
As a preventive measure, the treatment of tree trunks with a solution of slaked lime is good. For 1 part of lime, take 3 parts of water, mix gently and wait 2-3 hours until the reaction proceeds. This phase is characterized by heating and active bubbling, then hissing. When the solution "calms down", mix again and start processing. Handling should be done with goggles and gloves. Whitewashing is made simple paint brush. Bleached trunks are protected from the risk of bark beetle infestation.
At the end of the flowering of fruit trees, a massive departure of the beetle begins. For the destruction of adults, spraying with Lepidocid, Boverin is used. They kill pests, but do not damage plantings, they are safe for the soil. Re-spraying is carried out after a couple of weeks.
One of the methods of prevention is regular inspection of tree trunks on the site and the surrounding area to detect woodworm passages, holes in the trunk. The very first signs of damage are a reason to treat with insecticidal agents. Biologically active preparations of directed action are designed to combat specific types of insects. They are safe for birds and pets.
Large areas of damage require more effective means. They differ in sufficient power and paralyzing pests chemicals. The drug Candifor Extra has a penetrating effect into the thickness of the wood, it is detrimental to insects that have climbed deep into the thickness of the trunk. The clipper preparation is intended for processing the bark. It infects the digestive system of pests while devouring wood.
With a significant damage to the tree, it is better to abandon attempts to save it. Cutting down the site, uprooting the stump and burning wood residues will bring great benefits to the site.

As preventive measure, it is necessary to monitor the humidity in your own home, as the bark beetle prefers to settle in damp wood. A hygrometer and a household dehumidifier will help regulate the microclimate. If the walls are damp, heat the house, use a heater or a heat gun. A fan set to heat will also help. Ventilate the room regularly by opening all doors and windows wide, letting the air move. A musty, moldy smell can also indicate high humidity.

If the attic or attic is clogged with junk, old furniture, wooden trash, this creates an extra risk of infection with bark beetle. You should regularly clean, get rid of old and unnecessary things.

Protecting wooden surfaces from bark beetle will help coating with varnish, paint. To care for varnished surfaces, special polishes are used. They also contain substances that repel insects, and wax closes small cracks. In addition, after processing with Gloss or Polish, wooden elements acquire an attractive appearance.

If varnishing or staining is not provided for the design of a wooden surface, preventive treatment with sodium fluorosilicone can be carried out. For 10 l hot water take 250 g of dry product and mix. When the liquid has cooled, soak a soft cloth or sponge with the solution and wipe the wooden structures. If holes-passages are found in the tree, it is necessary to start more active actions.

How to get rid of the bark beetle in a wooden house using narcissistic methods

The wooden structure heavily corroded by the bark beetle has many cavities inside. To check the extent of damage, poke the tree firmly with an awl or screwdriver. With significant damage, the tool will easily enter the material. If there are few voids, the sharp part will simply stick into the wood.

When a wooden structure is only slightly infested with insects, you can try to save the structure by following a series of sequential actions.

Using a thin wire, try to destroy the passages and destroy some of the larvae. To do this, stick one end of the wire sequentially into each hole and make rotational movements.
Treat bark beetles with a special solution. The surface of the structures can be abundantly moistened with a spray bottle or a regular sponge. To get the insecticide inside the wood, inject the liquid directly into the holes made by the beetle using a syringe with a needle. Pour in the solution until it freely penetrates into the passages.
Seal the holes with silicone or acrylic caulk. This will prevent pests from getting out. Imprisoned inside treated wood, they will perish.
Repeat the treatment after a week. And after 2 weeks - the last time for preventive purposes. Triple processing is needed for reliability, since it is quite difficult to get rid of a colony of woodworms on your own.

The following tools are suitable for processing wooden structures:

a mixture of turpentine with kerosene in a ratio of 3: 1;
a mixture of paraffin with rosin and vegetable oil in a ratio of 5:4:1;
a mixture of turpentine, naphthalene and tar in a ratio of 3:1:1.

In the first recipe, stir the mixture well enough and proceed to processing. In the second - you should bring the composition to a boil, then cool slightly and use to combat bark beetle. The third method is not used for surface treatment, but only for pouring into holes.

Does not contain bad smell and environmentally friendly vaseline oil. They can process wooden structures in the kitchen. Oil is poured into the holes using a syringe without a needle or pipette.

Beetles are afraid of high temperatures. Having a certain skill, you can try to lime them with boiling water or heated drying oil. It should only be taken into account that hot drying oil can change the color of the treated wood, which can adversely affect its appearance.

With a high degree of infection with a grinder, you will have to act differently.

Cut out a section with half-turned wood into dust, take it out of the house and burn it.
Use a vacuum cleaner or other method to collect the remaining chips and sawdust from the floor. This is necessary to prevent the spread of beetles and larvae.
Cut blanks of the required shape and size from the new material. Restore the structure with any accessible way: using glue, wooden pads, etc.
Carry out preventive treatment of wood.

These tips give an idea of the lifestyle of bark beetles, show ways to detect pests and effective means of dealing with them. Armed with knowledge, you can easily keep wooden buildings intact.

In order for the orchard to grow and prosper, annually delighting big harvest, you need to know what pests can harm crops and how to exterminate them. For example, fight bark beetle on fruit trees- one of the most dangerous and widespread insects is most convenient and most effective with the help of chemicals. Top proven funds below.

Bark beetle - what eats and how to distinguish?

The bark beetle is called differently, it is the apple beetle and the shashel and the sapwood and the wood borer. The insect has an excellent sense of smell, so the trees in the garden as food sources, it is able to detect from a distance.

Getting on a tree, the female beetle actively gnaws through the bark, leaving behind a string of passages with laid eggs. Simultaneously with the deterioration of the bark, the insect infects the tree with spores of the fungus Monilia Candida, which begin to multiply. Larvae soon appear from the eggs - they continue to spoil the bark, increasing the number and width of passages, actively sucking out the juice, eating tissues.

The longer the larva eats the tree, the more it weakens and, if no action is taken, it dies over time.

As soon as the mating period begins, the beetles leave the trees, moving to new ones. One parent and two sister generations of insects develop per season. The more favorable the conditions for the development of beetles, the more actively they will multiply in the garden and the more difficult it will be to achieve a positive result even if apple trees are regularly treated from worms, as well as a number of fruit trees with special preparations and tinctures according to folk recipes.

Traces of a bark beetle on a tree - how to detect?

It is not difficult to determine that pests have settled on a tree. Usually weakened plants become objects of the insect. It is on such trees that beetles make their nest without drawing attention to themselves and without wasting their energy on damaging healthy hardwood. Therefore, first of all, weakened plants should be examined for the presence of insects.

Round and oval holes can be seen on the trunks of affected trees. Such traces will mean that the worms in the tree trunk settled a long time ago. A woodpecker constantly working on a tree can also be considered a sign of defeat. Most often, the feathered one hunts for the bark beetle.

Sawdust, which insects throw out of the trunk, can also be considered a sign of infection, forming passages under the bark. By the color of the sawdust, it will be possible to determine the level of damage to the tree: brown - the bark beetle did not have time to penetrate deep under the bark, white - spraying and any other treatment most likely will not work, since the insects managed to get too deep.

How to cure a tree at an early stage?

If the bark beetle appeared on an apple tree, cherry or any other tree not so long ago, then you can try to solve the problem without using chemicals. There are some simple ways improve the situation:

Regularly inspect trees for affected areas that can be treated with chlorophos by burning waste from leaves and branches.
Catch adult beetles by hand during their activity - in the spring.
Lubricate tree trunks oil paint or clay with manure.
Build beetle traps by spreading thick tree branches around the perimeter of the garden for laying females.

If the listed methods of struggle do not give the desired effect, it is worth immediately moving on to more radical methods of extermination using proven drugs. Below is a list of really working tools.

Confidor Extra - features and applications

Means "Confidor Extra" is a line of drugs of a new generation, designed to fight insects different kind, including the bark beetle, from which the leaves wither on the trees and the fruits disappear.

The drug is produced in Germany, sold in the form of water-dispersion granules based on the active ingredient - imidacloprid. The product is packaged in convenient 400 gr bottles.

The action of the drug begins only if the consumption is in accordance with the instructions.

The product is non-toxic, therefore it does not pose a danger to people and pets. But, as for the harm to crops on the site, not everything is so smooth here. The drug is classified as hazard class 1 for beneficial microorganisms, therefore, in the process of processing trees, it is recommended to use protective materials.

Operates Confidor Extra for several weeks, allows you to destroy
larvae and adult beetles. The drug is considered universal, therefore it is suitable for combating a number of harmful insects in the open field.

Bi-58: what it consists of and how it works

Bi-58, a unique drug of its kind, will help fight the bark beetle on the apple tree and other trees with a fairly tangible effect.

Just like the previous remedy, Bi-58 is produced in Germany, in the form of an emulsion concentrate. The product is packaged in canisters of different volumes from one to ten liters. The main component is dimethoate. It is considered safe for humans, but poses a serious threat to bees.

When ingested by beetles and larvae, the agent has Negative influence on the intestines of insects, causing their death.

Vitalizer HB-101 - a proven remedy for pests

Vitalizer HB-101 is a complex designed to combat a number of pests and diseases fruit trees, which contributes to their active growth. The drug is produced in liquid form and in the form of granules, packaged in containers of different volumes. Based on active extracts from pine, cedar, cypress and plantain. Helps protect trees from:

harmful beetles;
larvae;
caterpillars;
bacteria and fungi.

The obvious advantage of the drug is zero toxicity. This means that you can get rid of the bark beetle without any risk of infecting trees, poisoning bees, or harming the development of microorganisms in the soil.

An additional bonus is the ability of the product to improve the resistance of trees to difficult weather conditions with an increase in the ability to bear fruit in the future.

Clipper - guarding the health of fruit trees

The Russian-made Clipper tool is also suitable for processing trees. Produced in the form of a concentrated emulsion in a 5-liter canister. The drug is based on the active substance bifetrin.

It is used against the bark beetle on fruit trees as an experiment, however, a positive result has already made itself felt in the process of processing plants in Russian nurseries.

The effect of the remedy lasts for several weeks. The drug can be used in parallel against the bark beetle-typographer from the gnawing family, as well as weevils from the sucking group.

An emulsion is prepared that can save a tree, according to the instructions, observing the proportions. The finished solution is used to spray damaged trees.

Senezh-Insa - a remedy for bark beetle with a stable effect

An example of an excellent antiseptic is SenezhInsa, also Russian-made. The drug has been actively used since 2012, it is in demand both among professional agronomists and amateur gardeners. The product is completely colorless, packaged in small cans of 5 liters or large barrels of 60 kg.

The concentrate is based on water, therefore, when interacting with wood, its texture and color do not change.

The drug penetrates into the bark of the tree, leaving active ingredients there. Non-toxic and effective. Helps to get rid of different types of bugs and bacteria, regardless of their stages of development.

Summing up all of the above, we note that it is not enough to know how to cure a tree from a bark beetle when insect damage has reached the level that it is almost impossible to save the plant. In order for the garden to grow healthy and fruitful, you need to monitor the trees, preventing the appearance of pests and treating the trunks in the initial stages of infection.

If you have ever met a bark beetle, then you should know that it is very small and inconspicuous. But even such a modest size did not prevent him from earning the title of one of the most dangerous pests of trees and wooden structures. If a bark beetle has started up in a house or garden, it is urgent to do everything possible to fight it, otherwise in a few years there will be no trace of a cozy home ... In this article, we will consider all known methods of dealing with bark beetles.

The bark beetle, or typographer, as scientists call it, can be compared with the forest Colorado beetle - a couple of individuals can multiply quickly, and the offspring will destroy everything in its path. And although the main fodder plant of the beetle is spruce, in its absence it does not disdain pine, fir, cedar and larch. But if such trees do not grow on your site, do not rush to rejoice, because there are several varieties of bark beetles with different gastronomic preferences.

Bark beetle classification:

The bark beetle goes through three stages of development: from a larva, it turns into a pupa, and then into an adult (imago). The easiest way is to destroy the recently laid larvae, but it is worth remembering that in some species of beetles they develop not for a year, but for two years, remaining to winter in the depths of the tree. They can withstand frost down to -30C, so often even after the most cold winter new individuals appear, and the cycle begins again. However, if it turned out to be an extremely hot summer, then the larvae can die - the critical temperature for them is + 40C.

It is not surprising that the bark beetle is found mainly in countries with temperate climate: Japan, Georgia, Russia, Korea, Ukraine. But recently, due to heavy deforestation and climate change, the distribution area of pest beetles has greatly expanded. For example, not so long ago it was discovered in North America.

Behavioral features

Bark beetles spend almost their entire lives inside a tree, arranging real “labyrinth cities” there from gnawed passages and minks. Outside, they fly out only when the period of swarming begins or the tree has already become uninhabitable. When the beetle gets on a new tree, it immediately begins to gnaw through the channels, striving closer to the center, where the wood is softer and juicier. There, the beetle equips a mink and lays eggs.

Interesting fact: Each species of bark beetle has its own "pattern" of moves. If you study this topic in detail, you can determine exactly which breed has settled in a tree and choose the right remedy to deal with it.

Breaking through more and more passages inside the tree, the beetles spread fungal spores through them, which also contribute to the destruction of wood. As a result, the plant loses its ability to fully feed and dies. The most interesting and unpleasant thing is that it is almost impossible to determine the presence of a bark beetle - a tree can be “dead” for a long time, but from the outside it will seem completely healthy.

But it is strange to think that nature could create a deliberately harmful and dangerous creature, and this idea is true to some extent. In fact, bark beetles, like many similar insects, are the orderlies of the forest. They settle in trees weakened by caterpillars or fire, contributing to their speedy replacement with new shoots. But under favorable conditions for reproduction, the absence natural enemies or excessive felling of strong big trees the bark beetle has no choice but to spread to young plants that are unable to fight pests. And then things take a more serious turn, as the beetles become less selective and spoil garden crops.

bark beetle in the garden

If you notice that on garden trees oval holes and the so-called wood flour appeared, which means that there is every reason to assume that bark beetles settled in them. Coniferous trees have a natural defense mechanism - they fill the gnawed passages with resin. Stone fruit trees are protected in a similar way, and the beetle can be identified by gum disease on the trunks.

Naturally, the disease is easier to prevent than to treat, so all garden owners are advised to regularly treat plantings with protective agents.

Remedies for bark beetle for pre-treatment of trees and seedlings:

"Lepidocide";
"Bitoxibacillin";
"Boverin".
"Vectra 3D";
"Aktara";
"Calypso";
"Confidor".

Mature plants must be sprayed after flowering, when the bark beetle begins to swarm, and repeat the procedure after 2 weeks. It is important to process the tree completely, including the trunk, branches and all leaves. Due to the high toxicity of drugs, personal protective equipment should be used - a respirator, gloves, goggles, etc.

Antipheromone agents are very popular, which are injected into the wood with a syringe. To do this, a hole is made in the trunk with a perforator, the preparation is poured into it and the hole is closed with garden pitch. The procedure should also be carried out repeatedly - at least 2-3 times with an interval of several days.

You can help the tree fight pests on its own by fertilizing and regularly loosening the soil around the trunks. Remember that, by its nature, the bark beetle tends to settle on weakened plants. If a tree is badly damaged by a beetle, it must be cut down and burned - while you are treating it, the bark beetle will move to the neighboring ones.

Pheromone traps for the garden are relevant only for large plots from 10 hectares. In this case, a small sector is treated with pheromones, and when bark beetles flock there, they simply destroy it. Sacrificing trees in a small garden in this case is irrational.

Bark beetle in the house

Bark beetles in the garden may not seem like such a serious problem, but once you imagine that they can “spread” on a wooden house, it immediately becomes no time for jokes. If you are relaxing in your country house and in the middle of the night you hear a slight rustling, then in most cases its source is a bark beetle. Of course, it could also be mice, but it's very easy to check.

First of all, inspect all the walls and attic for small holes. They may be in the most unexpected places- even on the wallpaper behind the closet or on the floor under the carpet. If small holes are “framed” by wood dust, then a bark beetle has settled in the house.

Insects can enter a home either from an infested garden or inside poorly treated wood materials, including furniture. In just 4-6 years, a bark beetle can completely destroy a small wooden house, which then will be easier to demolish than to repair. In the case of "domestic" bark beetles, pre-treatment of wood plays a huge role. The most popular formulations are Wood Healer, Antishashelin, Empire20, Antizhuk, etc. Each impregnation for wood is assigned its own category from 1 to 4, on which the degree of impact on the processed material depends, ranging from prevention to real war.

If you find holes on the surface of a wall or floor, you should immediately check how deep the bark beetle managed to penetrate. To do this, pierce the tree with a sharp object (long awl). If the beetle has not yet had time to gnaw through a vast maze, the easiest way is to cut out the damaged area and burn it at the stake.

For a long practice, many ways have been invented to get rid of bark beetles in the house:

tree processing and wooden surfaces protective equipment;
protective impregnation for wood;
covering the tree with several layers of engine oil, diesel fuel, kerosene and other "old-fashioned" methods;
the introduction of drugs into the material with a syringe;
the use of insecticides in combination with aerosol treatment;
exposure to heat or cold;
even the use of pyrotechnics - special sulfuric or insecticidal checkers;
the use of fumigators in the form of spirals, electrical devices;
the use of electromagnetic wave emitters, etc.

This is far from full list methods aimed at combating the bark beetle, but, unfortunately, most of them do not give tangible results. Beetles may die, but next season new "tenants" will choose the wood, and everything will have to be started anew. Sometimes a combination of several methods helps, but each case is individual, and no one can name the right recipe.

The facts are that impregnating, squirting and fumigating with insecticides rarely helps or does not work at all. There are several reasons for this, but they are all obvious if you look at the lifestyle of the bark beetle. Since the beetle tries to penetrate as deep as possible into the layer of wood, it may not even feel the external processing. Impregnations work only if they are applied regularly and repeatedly. Syringing allows you to pour the drug deeper, but due to the complexity and duration of the moves, the poison often does not reach the target.

At the same time, it is worth remembering that even the most toxic insecticides are active for only a few months (maximum 3), after which nothing threatens the beetles again. Their action is directed at adults, and in this case it is more reasonable to destroy larvae and pupae. If you look at all these factors objectively, it becomes clear that it is almost impossible to achieve a 100% successful result. But do not demolish the same house in which the bark beetle settled! There are several more or less effective pest control methods.

Temperature effect

We have already mentioned above that the bark beetle can easily winter at temperatures down to -30C, but it is simply not possible to create such a cold atmosphere in the house. The only option is to use liquid nitrogen, but after such treatment, the wood itself will become completely unusable.

Whether it's the opposite way - high-temperature exposure. If the tree is heated to a temperature of +65C or higher and maintained for 30 minutes, the bark beetle will be completely destroyed, including larvae, young and adults. The mechanics are very simple - protein breaks down at this temperature, and insects are mostly pure protein. But again - it is unrealistic to warm the whole house to such a temperature, so it is more expedient to use it for processing furniture or boards.

For this, closed drying temperature chambers are used, in which the object is evenly heated from all sides. Heat guns are not suitable as an alternative, since the heating is uneven, and the temperature does not go deep.

Pheromone traps

Pheromone traps are also quite in an efficient way getting rid of bark beetles. The bottom line is to lure all adults into one place, and then destroy it. But, as mentioned earlier, this technique is relevant only for large forest areas, and it would be very difficult to use it in a house.

But first, we note the two most important drawbacks:

Pheromones attract only adults, while larvae and pupae, which must be fought first, remain indifferent to them.
Not only individuals from your territory, but also from the nearest forest can flock to pheromones, thereby aggravating the situation.

This is what a simple pheromone trap looks like - a plastic funnel directed into a glass:

Beetles flock to the smell, fall into the glass and cannot get out, after which they can be easily destroyed.

Thus, pheromones can be used only at your own peril and risk. This method certainly works, but does not help get rid of pests forever.

Fumigation against bark beetle

Fumigation is by far the most effective tool. As a rule, phosphine acts as the main active substance. He is able to penetrate deep into the tree, even it is hidden finishing material(wallpaper, drywall, etc.). In the process of fumigation at home, the gas completely fills the porous structure of the wood, destroying pests at all stages of development. After completion of work, it is necessary to withstand a certain exposure period, and then carry out degassing.

Phosphine itself is chemically unstable and breaks down quickly. But, what is very important, it does not erode, but completely decomposes at the molecular level, that is, it is absolutely harmless to health and environment. The cost of such treatment depends on the area of the house and the degree of infection, but this is perhaps the only way remove the bark beetle without harm to the structures.

We have told you how to get rid of bark beetle, and we hope that one of the above methods will help you to remove or prevent the appearance of this pest on your site.

Bark beetle: photo

Each tree has its own stem pests. The topographer bark beetle causes the greatest damage to coniferous and horticultural (fruit) species. It colonizes weakened trees, logging residues, stumps, young seedlings, can infect construction wood and already finished wooden houses. It is difficult to see a bark beetle eating a tree with the naked eye. But it's easy to find out what it looks like.

Insect small size(from one to three millimeters) flies to trees and makes an inlet, cutting through the bark of the trunk. Its purpose is the nutrient layer of the bast. Eating it, the bark beetle forms passages in which it then lays eggs. The beetle spends its whole life in a thin nutrient layer responsible for the movement of assimilators from the roots to the upper branches of the crown. Damage to such an important artery leads to the death of the tree. That is why it is so important to know how the fight against bark beetle is carried out on an apple tree, pear, any other fruit or coniferous tree growing on a personal plot.

Signs of damage to the garden

If a bark beetle is wound up on a tree, you can easily see signs of damage to the plant by a pest. Let's designate some of them.

Does it exist universal remedy from bark beetle? By combining the available techniques to combat harmful insects, you can try to save the garden.

Advantages and disadvantages of traditional tactics

In many household plots, bark beetle control is carried out in the traditional way. Seasonally - in spring and autumn - trees are treated with insecticidal preparations. They are available in specialized stores. The funds are inexpensive, the processing technology is simple: the trees are completely (both trunks and branches) coated with the selected composition.

Fast and inexpensive - the main advantages of the described option. The disadvantage of the method is the complexity of choosing the composition. Many gardeners neglect the attached instructions, do not follow the manufacturer's recommended proportions (make the solution thicker, for example, naively assuming that it will become more effective this way). But this is half the trouble.

Processing from bark beetles is carried out by companies that previously poisoned cockroaches and bedbugs, or former climbers who believe that washing windows in high-rise towers and fighting bark beetles are one and the same. Solutions are diluted with the expectation of savings, non-compliance with proportions leads to the formation of resistance (resistance of pests to insecticidal solutions). Often, such a fight against bark beetles leads to the death of treated trees.. To do a professional garden treatment, you need to seek the help of licensed forest pathologists.

A single treatment of trees with cheap insecticidal solutions does not guarantee the preservation of the garden.

Describing more real remedies for bark beetle, experts pay attention to effectiveness biological agents protection. They help to get rid of beetles by non-chemical methods, but by using pheromone and antipheromone traps. If a bark beetle starts up, it makes sense to try them out.

Pros and cons of using biological methods

What is a pheromone trap? This is a tree treated with pheromones. Their smell attracts insects from all over the area (the radius of the poison is seven kilometers). They all slide down to the same tree. After that, it is doomed, so it must be cut down and destroyed (burned). Adult beetles, their larvae, eggs will burn in the fire. Before using a pheromone trap, it is important to calculate all the risks, since bark beetles from all over the area (our own and others') will run and flock to the smell of pheromone preparations, so it will be more difficult to deal with such an army.

It is rather difficult for a non-specialist to control the "invasion". Biological control of bark beetles will not be safe in a garden of more than ten hectares: too many trees will be at risk, it will be difficult to check all the trees yourself for bark beetles.

Scientists, observing the life of the described beetles and their larvae, noticed that when they populate a tree, they mark it with a special secret. This is a sign to other beetles: the tree is busy. Based on this knowledge, they proposed more effective option biological trap against bark beetle - the use of antipheromone drugs. They have already proven themselves well, such tools are now actively used both for processing trees and for all wooden buildings. Antipheromones work especially effectively in combination with special injections. What are they?

What is barrier protection?

Barrier protection is a barrier to the bark beetle and its larvae, which is formed by spraying and injection. The spraying method has already been mentioned earlier, the essence of injections for trees is as follows:

A chemical preparation is injected under the bark of the trunk. Its composition is determined taking into account the type of bark beetle, the degree of damage to the object, its height and age. An incorrectly selected chemical leads to blockage of the vessels of the tree, through which all the nutritious juices, as well as life-giving moisture, move. The composition of the drug should include means capable of transporting the necessary substances throughout the trunk of the treated object. After the injection, the injection site must be sealed. And only a gardener can do this. This is why injections are not widely used. It is much easier to remove the bark beetle by mechanically cleaning the trees.

mechanical method

Preventive measures

There is a set of preventive measures to help prevent the appearance of a dangerous beetle on fruit trees. personal plot. It is useful to outline the main points:

Twice a year - in spring and autumn - it is necessary to dig up the soil in the garden around all the trees well.
During leaf fall, it is necessary to collect leaves daily - collect and be sure to destroy (burn) in open areas.
It is useful to constantly inspect the trees, if dead areas of bark or branches are found, destroy them.
If the bark beetle has already struck the trees, it is worth cutting them down without regret, and then dig and stump. When the treatment of trees is appropriate, the therapy is carried out with strict adherence to all stages. And ordinary dichlorvos will not help here.
Every spring, after pruning, the trees are processed special formulations(insecticides) that can be prepared at home. There are two simple prescription. The first recipe to help kill a beetle involves preparing a remedy from vegetable oil, paraffin and rosin (proportions 6x3x2). First, paraffin is heated, crushed rosin is added to it, everything melts well on fire, diluted with vegetable oil, the mixture is boiled over an open fire for ten minutes. The second recipe against the beetle is prepared from a kilogram of rosin, three hundred grams of drying oil and five kilograms of paraffin. All ingredients are put in one container and melted over a fire. Both mixtures are infused and applied to trees, trunks and branches are smeared with it.

Is the bark beetle dangerous for a wooden house and construction wood?

If an understanding carpenter sees a garden around a wooden house, in which the trees are infected with bark beetles, he will definitely sound the alarm. After all, harmless beetles are capable of turning a two-story log house into dust in a couple of years. For wooden buildings and construction wood, it is not the adult that is terrible, but its larvae. It is they who lay kilometer-long passages in any lumber. It is important to acquire well-dried wood even at the construction stage.

Checking the moisture content of lumber is easy. It is enough to drop a few drops of iodine on it. If the tree turns blue under them, the humidity is high. In an infested orchard, such lumber would be a potential target for bark beetle colonization.

If there are cracks on the long beams, the female bark beetle will easily choose them for laying her eggs. Egg laying on lumber looks like black spots irregular shape. The photo shows what it looks like.

The presence of yellow dust should also alert. An untreated wild log house is dangerous, under its bark a bark beetle is able to hide. Experts, answering the question of how to get rid of the bark beetle at the construction stage, recommend more carefully, with a magnifying glass in hand, to study every wooden detail of the future house. With any signs of infection, it is better to immediately abandon the entire batch and find other suppliers. It will be difficult to correct the situation later.

But what if the bark beetle appeared in an already built wooden house? This is common if the building is surrounded by an infested garden. Beetles do not like sunny places, so they infect the under-roof space. The attic is the perfect place for them. Therefore, the inspection of the house must begin with this part of it. Signs of the presence of a beetle on construction wood are the same as on trees in the garden (they are described in detail at the beginning of the article). If symptoms of damage to a wooden house are detected, the fight against bark beetle should begin immediately.

What should be done?

You can save a wooden house if you follow the recommendations.

If the wood is severely damaged, it will have to be changed and burned outside in the yard. The grinder cannot be used. Its vibration forms dust, which is easily spread throughout the house. And it may contain beetle eggs.
If single objects of damage are found, the entire wooden house must be treated with a special solution from the outside and from the inside. It is prepared as follows: half a kilogram of carbolic acid, a liter of liquid laundry soap are added to half a bucket of water. Everything is thoroughly mixed and diluted with water in proportions of 1x25.
Before spraying, the walls are thoroughly cleaned. The goal is to remove the caulking material, and then walk over all surfaces with a vacuum cleaner. Then all the wood is treated with an antiseptic (it dries out for a day), impregnation with flame retardants is applied on top (the house dries again for a day). All identified passages are filled with a solution of a mixture of turpentine and kerosene (1x3). Then the solution is processed, the recipe of which was described a little higher.
Then everything wooden details smeared with hot drying oil.
After that, all cracks and cracks are filled with sealant. Internal walls- acrylic sealants, external - silicone.

Such processing at home is not a one-time event, it will have to be carried out constantly. Then you will be able to protect your home from the harm of this unpleasant insect.

Bark beetles (lat. Scolytinae)- a subfamily of beetles of the Weevil family, consisting of 750 species, 140 of which belong to the European fauna. The largest of the bark beetles reach a length of 1.5 cm, and the smallest - no more than 8 mm. For country garden bark beetle - very dangerous insect, capable of destroying both young and adult trees, as well as wooden buildings. Recently, climate change has led to the mass reproduction of these pests.

Bark beetle - description

The bark beetle got its name due to the fact that it spends most of its life under the bark. The head of the female bark beetle is sharply convex, while that of the males is concave; on the pronotum, the beetles have teeth and tubercles. The shape of the back is quadrangular, elongated, almost spherical. The elytra are densely covered with stripes or scales. The body of adults is brown, the head is almost black. Bark beetle larva is whitish, legless, worm-like.

Some species of the pest develop only on living plants, others prefer logs, and still others live in both living and cut trees. Labyrinths each type of bark beetle lays in its own way, and by the type of these passages it is possible to determine which bark beetle the tree is infected with. The female bark beetle gnaws through the bark, penetrates into the tissue of the tree, makes moves in it and lays eggs. The larvae that emerged from them feed on the juices and tissues of the tree, continuing to destroy it from the inside. Having pupated, they remain to winter in a tree, and in the spring, an adult insect flies out and looks for a mate.

First of all, the bark beetle inhabits weak and diseased trees, and in this it has an excellent sense of smell, which can distinguish the smell of a healthy plant from the smell of a weakened one. Fruit trees with a damaged root system, cracks in the bark, wounds on the trunk or branches, as well as seedlings and trees that have just been transplanted to a new place can become prey for bark beetles. The fact that a bark beetle has wound up in a tree can be guessed from small holes in the bark, gum drips on fruit trees and resinous traces on conifers. Pay attention to trees that attract woodpeckers: they are most likely infested with bark beetles. Evidence of the occupation of the tree by beetles is also the presence of small sawdust (drilling flour) on the trunk and at its foot: brown flour indicates that bark beetles have gnawed only the bark of the tree, and white flour indicates that they have already made their way into the wood. A sign of the last stage of infection is the fall of needles or foliage, the drying of the crown. If pieces of bark fall from a tree, it means that it has already died.

How to get rid of bark beetle

Fight against bark beetle

If you notice signs of bark beetle occupation of a tree, you should immediately take action. How to remove bark beetle? The fight against the beetle should be comprehensive: agrotechnical conditions for garden and ornamental trees, carry out conscientious care of them and carry out regular preventive measures aimed at strengthening the health and immunity of plants.

Make it a rule to inspect the garden regularly so as not to miss the beginning of the occupation. If you find beetle penetrations on a tree, scrape off the bark on them with a scraper, cut off part of the bark so that you can see how deep the pest has penetrated and get to its moves and larvae. After that, treat the affected tree with protective preparations that penetrate deep into the wood and etch the bark beetle. For this, an injection method is used: using a syringe, Confidor, Antisheshelin, Calypso or Empire-20 preparations are injected into the passages made by bark beetles, after which the entrances are sealed with garden pitch. With this method of administration of the drug, the period of its effectiveness is prolonged up to a year.

As for spraying the tree with insecticides (preferably Bifentrin), they should be regular, because after a while the preparations applied to the bark of the tree lose their strength. The meaning of the treatments is that the chrysalis, which emerged from its cocoon in the spring and climbed onto the surface of the tree, would die from the insecticide. In order for the insecticidal solution to remain on the bark, and not drain into the soil, grated potash or laundry soap must be added to it.

However, you should not abuse chemicals, especially if there are few beetles in the tree. You can try to destroy the bark beetle with an ordinary metal wire, letting it go along the move made by the beetle. But if there are too many holes on the trunk, the foot is strewn with drill flour, as coffee grounds, and the bark falls off in pieces, it is better to cut down and burn such a tree as soon as possible so that bark beetles do not spread over neighboring plants.

Remedies for bark beetle (drugs)

Bark beetle preparations are divided into chemical and biological. Effective biological agents include:

Bifentrin is a pesticide, acaricide and insecticide of enteric-contact action, a pyrethroid that has repellent properties and is effective against pests at any stage of development;
Krona-Antip is a biologically active drug based on nematodes, designed to combat bark beetles, woodworms and sapwood;
Clipper is a unique insectoacaricide of contact-intestinal action, developed for the destruction of tree trunk pests;
Bi-58 is a reliable and highly effective broad-spectrum insecticide for pest control.

Productive insecticidal preparations against bark beetle include:

Calypso is a systemic insecticide of contact-intestinal action that allows you to control a wide range of pests in the garden and vegetable garden;
Antishashelin - an effective drug for the destruction of woodworms and their larvae, which is injected directly into the holes made by beetles;
Empire-20 is a powerful insecticide against non-flying insects that does not harm humans;
Confidor is an insecticide of low toxicity to humans with prolonged systemic and contact action against a wide range of pests.

The fight against bark beetle folk remedies

It is very difficult to get rid of bark beetle with folk remedies. They are used mainly for prevention purposes, to scare away beetles. The main task of folk remedies is the protection and treatment of cuts, incisions, cracks, frost holes and others. mechanical damage through which beetles can get inside the tree. As soon as you find a wound, you need to clean it, disinfect it and close it with a garden pitch prepared according to one of these recipes:

melt 6 parts of paraffin, add 3 parts of crushed rosin to it, bring the mixture to a boil, then add two parts of mineral or vegetable oil to it and boil the composition for 10 minutes;
melt 1 kg of crushed rosin, add 230 g of drying oil to it, pour this mass into 5 kg of melted paraffin and mix. Keep the var in a warm place;
200 g sunflower oil or fat, 50 g of wax and 50 g of rosin melt over a fire, mix thoroughly until a homogeneous mass is obtained, pour into jars and store under a lid.

In order to protect trees from the attack of bark beetles, it is possible to coat the trunks and bases of skeletal branches with a mixture of clay and humus.

There is one more folk way fight against woodworms - the creation of log traps. Throughout the site, at the beginning of the growing season, parts of the trunk sawn into chocks are laid out, which bark beetles willingly populate during the summer, and in the fall these pieces and logs are burned along with all the beetles, eggs, cocoons and larvae.