How to protect raspberries from pests and rules for dealing with them

Raspberries have plenty of pests, as well as diseases, here are just a few of them: stem gallworm, raspberry stem gall midge, acacia false scale, raspberry beetle, garden green bug, raspberry-strawberry weevil, leafhopper, leaf and shoot aphids, raspberry stem aphid fly, raspberry glass. If you know the enemy by sight, it is easier to fight him.

Description of the pest

The glasswort is a medium-sized butterfly with a thick body and long legs. They are distinguished by a variety of colors; some species resemble wasps in appearance. All butterflies have narrow transparent or translucent wings with an orange border and black veins. Wingspan – 10–50 mm.

The eggs are round, slightly flattened or oval, yellow-brown or black in color.

larvae are white or gray-white caterpillars up to 0.5 cm long with a pair or two pairs of legs. pupae with spines on the abdomen.

The family includes more than 900 species, 45 of them live in Russia. The most common are: poplar glass, apple glass, raspberry glass, currant glass .

After the end of flowering of trees and shrubs, butterflies lay one or several eggs on branches, roots, soil, and in cracks in the bark. The fertility of females varies, ranging from 50–1800 eggs . 2 weeks after laying eggs, offspring appear.

The caterpillars quickly penetrate the stem. There they live and feed until next year, gradually moving towards the base of the stem.

With the arrival of warm May days, the caterpillars emerge and pupate. This new generation of butterflies is ready to reproduce. They love the sun and fly near food plants during the day. The activity of adult butterflies ends when the harvest ripens, and the full development cycle of each generation takes 1 year.

Be able to distinguish between types of caterpillars

The table shows the characteristics of the most common species of butterflies whose caterpillars parasitize currants.

You need to know how to get rid of pests in order to choose a more suitable option. To remove some, the best way is agricultural work; others can only be destroyed with insecticidal preparations:

In addition to the above pests, currants can be eaten by green caterpillars of the gooseberry sawfly and white fluffy caterpillars of the currant sawfly. The latter insects only harm blackcurrant berries and are found mainly in the Leningrad region.

What does the affected plant look like?

Butterflies from the glassweed family enjoy a variety of plants. They damage apple, pear, plum, cherry, apricot, quince, hawthorn, raspberries, currants, gooseberries, and blackberries . The pest settles on poplar, willow, birch, ash, linden .

No varieties that are relatively resistant to the pest have yet been developed. On perennial plants, glassware can damage 10–50% of the branches.

In the first year, damaged bushes and trees do not differ much from healthy ones. Only a lot of small leaves grow, and the berries on fruit crops become smaller. The following spring, damaged shoots after flowering and during the formation of berries begin to wither and dry out. .

If you cut such a branch, you will see a black core at the cut site . On a longitudinal section, the pest’s winding passages are visible, filled with its secretions mixed with wood debris . Sometimes dried branches, along with unripe berries, break off and fall.

On the bark, where adult insects emerge on the surface, particles of the pupal membrane remain for a short time. In some species, caterpillars live in the roots and stumps of trees.

Raspberry stem gall midge

The crimson stem gall midge (Lasioptera rubi) is a small mosquito with a black back and transparent wings, up to 2 mm long. The flight of gall midges is observed in May-July, just during the flowering and fruiting of raspberries. Female gall midges lay 8-15 eggs on young raspberry shoots. The hatched larvae crawl under the bark of the raspberry stem and begin to feed on tissue juice, causing the formation of oval swellings of the stem bark - galls. Unlike gall moth galls, these galls have a smooth surface. Each gall contains a colony of gall midge larvae. The larvae spend the winter in these galls and pupate here in the spring. In May, the gall midges come out.

Raspberry stems damaged by gall midges develop poorly, become very fragile, and easily break when bent in the fall. The bark in places where the stem breaks is distinguished by a bluish-blue or gray color. Orange larvae are visible under the cracked surface bark.

The measures to combat the raspberry stem gall midge are the same as those against the raspberry gall midge - thin out the growing shoots, dig up the soil in the raspberry patch in the fall, and immediately cut off the stems with swellings.

Fighting glassware

Modern drugs

It is difficult to combat glass beetles, since the pest larvae spend most of their lives inside plants and are difficult to influence with chemicals.

It is important not to miss the time when young larvae emerge from the eggs, when they have not yet had time to penetrate into the shoots. This moment coincides with the beginning of the appearance of young leaves.

Mospilan

A systemic contact insecticide penetrates all parts of plants, quickly spreads throughout their organs and poisons the pest. After 5–7 days they die. The consumption rate of the drug is 2.5–3 g per 10 liters of water. During the season, 2 treatments are carried out, the drug protects against the pest for up to 40 days.

Golden spark

Insecticide based on imidacloprid. Well absorbed and resistant to rinsing. It is produced in liquid and powder form. If a concentrate is used to prepare the solution, then it will require 1 ml per 5–10 liters of water. When using powder, consumption rate: 40 g per 10 liters of water.

Lepidocide

Biological insecticide, safe for humans and the environment. To treat plants, 20–30 g are dissolved in 10 liters of water. Trees and shrubs are sprayed 2-3 times with an interval of 7-8 days.

Traditional methods

You can outsmart a glassfish if you know the peculiarities of its biology. In this case, chemical treatments will be of benefit. But the main efforts and time of gardeners should be aimed at prevention.

You will learn more about the fight against glassware in the video.

Source

Preventive measures

In order not to lose the harvest or the plants themselves, you need to take measures that will limit the spread and reproduction of the pest:

1. Plant varieties that are more resistant to it, for example, Dachnitsa, Yadrenaya, Jonker Van Tets, Perun, Early Sweet, Natali, Sechenskaya-2.
2. When purchasing new seedlings, you need to inspect all the shoots; perhaps a pest is already hiding in the cracks of the bark.
3. Treat cuttings before rooting with Nemabakt and Antonem-F of mother bushes in early spring (spraying 200 ml of product per bush).
4. Do not plant the crop next to gooseberries and bird cherry.
5. Loosen the soil around the bushes and between the rows, destroying weeds of any kind.
6. Fertilize and water the plants so that they can resist pest attacks, and cover with mulch for the winter.
7. Carry out pruning in a timely manner, removing not only the shoots in which the larvae are hiding, but also all the old and even young, but unnecessary, branches that thicken and therefore weaken the bush.

These agricultural practices are carried out to prevent the appearance of glass on black currants and its other varieties.

How to deal with raspberry glass?

Arriving on raspberry bushes in the summer, the raspberry glassberry lays eggs, from which larvae then hatch - they are the ones who give gardeners headaches by eating the raspberry stems from the inside.
Multiple emergence of individuals without fighting them leads to devastating consequences - most bushes can easily die. To avoid such a situation, it is necessary to detect the presence of a harmful insect in the early stages and promptly begin to combat it.

Green bug

Green bugs (Palomena prasina), with a shiny shell on the back, up to one centimeter long, have a flat, oval-shaped body. A bug is a sucking insect with incomplete metamorphosis, that is, without the pupal stage. The larvae are similar to adult bedbugs, only smaller and also rich green in color. Young larvae of the green bug live in colonies, sucking juices from leaves.

Adult green bugs overwinter under fallen leaves; in the spring, females lay eggs in clusters on grasses and other plants, and larvae emerge from the eggs. The feeding of the larvae lasts on average 50 days; a massive emergence of bugs is observed towards the end of July, when they damage raspberries. The bug is omnivorous and is found on many crops, including strawberries.

Measures to combat the green bug . The bug is quite tenacious, birds do not peck at it, as it secretes a strong odorous liquid and is difficult to notice in the leaves of plants. The dense shell keeps it from being crushed if it gets underfoot. It is in charge at the very height of berry ripening, so insecticides cannot be used at this time. Treat with karbofos or other insecticides before flowering and after picking raspberries, thin out the raspberry shoots and remove weeds, on which female bugs lay eggs.

Description of the pest and its features

Raspberry glassberry is distributed throughout the globe and prefers to settle on raspberry bushes. In appearance, it resembles both a butterfly and a wasp at the same time: there are characteristic blue-black and yellow transverse stripes on its body.

The body of the pest is quite thin, and the wingspan is about 2.5 cm. A dark border is visible on the front transparent wings of individuals, and in the area of ​​​​the transverse partition there is a small dark spot. Males have 4 transverse black and yellow stripes in the abdominal area, and females have 3.

Raspberry glass larvae resemble caterpillars: they reach 3 cm in length and have brown-yellow heads and thoracic scutes. The pupae of the parasites are light brown in color and reach 3 cm in size. Individuals overwinter at the caterpillar stage inside tunnels they have previously made in the stems of plantings, located closer to the bases or roots.

With the beginning of sap flow during the spring thaw, the caterpillars return to their activities, moving inside the stems, and making multiple wormholes in the shoots. By the beginning of summer, they gnaw holes and pupate, and after 3 weeks the adults emerge - this happens around mid-July.

A few days later, female raspberry glassworts begin oviposition, laying up to 150 eggs per season in the ground near the stems. Sometimes the laying is carried out directly on the stems immediately near their base.

Currant glass (Synanthedon tipuliformis)

The insect got its name because of its glassy wings, practically devoid of scales. By the way, due to this feature, which is atypical for lepidopterans, the pest’s resemblance to a butterfly is minimal. They look more like wasps, right?

Body length does not exceed 1 cm, dark blue, shiny color. Three yellow lines are clearly visible on the abdomen (in females the stripes are wider than in males), the end of the abdomen is a tuft of dark blue hairs. The wingspan is approximately 20-23 mm.

Butterflies fly out after currants bloom (after about 2 weeks); they are especially active in warm, mostly sunny weather. The period of emergence from the pupae and the flight of the butterfly lasts for almost eight weeks; the glass cases stop flying just at the moment the berries ripen. One female lays no more than 60 eggs, one at a time. Places for laying are cracks on the branches, places near the buds.

The eggs of the insect are small, slightly oval in shape, and light brown in color. If you look at the egg under a magnifying glass, you can see a net-like texture on the surface. It takes 10 to 20 days for the egg to fully develop.

Closer to the hatching of the caterpillar, the egg changes color and a creamy tint appears. An adult caterpillar is approximately 20–25 mm in size, the body is white, the head is black, two weeks after emergence the caterpillar begins to bite through the buds and various damage into the branches, leaving behind black passages with excrement. That is why the green berries of black currants dry out and the branches wither - the caterpillars make their moves and poison the plant. The passages can reach 50 cm in length; the caterpillars remain in these same passages for the winter.

With the onset of spring, some of the caterpillars pupate, they become butterflies, the other part continues to feed, gnaws passages to the base of branches and bushes, until autumn, then remains for another winter. It turns out that caterpillars of different ages overwinter in different places, young ones in one-year-old twigs, and adults in woody stems. At the beginning of the third year of insect development, the caterpillars gnaw their way to the exit and pupate, then a butterfly flies out of the pupa.

Nature of damage caused by currant glass

All varieties of currants are most susceptible to insect attack; gooseberries are less affected. The pest also visits raspberries. Old plantings of berry bushes, if not monitored, can be completely damaged, and the number of pest individuals is greater at the edges, and there are much fewer glass cases in the middle of the area.

Why do blackcurrant branches dry out?

In the first year, it is almost impossible to distinguish healthy branches from damaged ones; they differ only in the smaller leaves and berries. Damaged branches begin to wither and dry towards the end of flowering. It is at this time that older caterpillars feed, but damage can only be noticed in the spring of next year - these branches will dry out.

When you remove dry branches, black passages with caterpillar excrement will be visible inside, sometimes you can even find the caterpillar itself in a light pink hue.

If, when cutting the stem, a light passage was found, with brown sawdust and excrement, these are not traces of glass beetle, but of the narrow-bodied currant borer.

In the places where the butterflies emerged, the skins of the pupae remain, and over time they are carried away by the wind. It happens that branches with unripe berries and eaten away cores dry out and break off on their own.

Therefore, in the fall, when the currant begins to shed its leaves, you need to inspect the bush, and it is better to cut out those branches that have grown less than 15 cm. Surely a glass larva has settled in them and a black core has already appeared in them.

How to destroy harmful insects?

Knowing that raspberries can be irreparably harmed by a butterfly called raspberry glass, measures to combat it must be decisive and effective.
It is best to use an integrated approach that combines agrotechnical, biological and chemical measures and can significantly reduce the number of parasites. When planting bushes, it is necessary to carefully discard infected material. In order not to once again attract various parasites to the site, it is recommended to promptly remove weeds in the raspberry field and, if necessary, thin it out. An equally important activity will be regular inspection of plantings to identify infected bushes that need to be eliminated.

In autumn and early spring, it is recommended to prune branches, cutting out dried and damaged branches at the root, which are then recommended to be burned. Shoots that have completed fruiting also need pruning, and you need to make sure that there are no stumps left behind, where raspberry glass usually likes to overwinter. It would be a good idea to regularly loosen the soil around the raspberries during the egg laying period and after the harvest.

Before the leaves bloom, raspberries can be treated with Karbofos, diluted according to the following scheme: 60 g of chemical per 10 liters of water. Spraying is repeated before the bushes bloom. Before the buds open, it is advisable to carry out treatment with Nitrofen, and if it has not been done, then at the beginning of their blossoming, 3% Bordeaux mixture is used.

Source

The raspberry (or raspberry) glassfish lives literally everywhere and loves raspberries very much. The caterpillars of this pest often cause irreparable damage to raspberry plantings. The shoots affected by them often break easily in the lower parts and bear fruit very poorly. Also, damaged berry bushes are characterized by wilting and complete drying of the shoots. To avoid such a deplorable situation, it is imperative to fight this pest.

Meet the pest

The Raspberry Glasswing is a harmful blue-black butterfly with a thin body. The span of its transparent wings is 22 – 26 mm. The pest's front wings are shaded by a dark border, and a black spot can be seen on the transverse partition. Males also have four transverse yellow stripes on their abdomen, while females have only three.

White caterpillars, reaching 25–30 mm in length, are endowed with yellowish-brown heads, as well as anal and thoracic scutes of similar colors. The pupae are light brown in color and their size is about 22–26 mm.

Overwintering of caterpillars of the second and third centuries occurs in passages they have previously made inside the stems at the very base or in the roots. In the spring, as soon as sap flow begins, the harmful caterpillars move into the stems and feed again, this time making numerous passages in the shoots. And in early June they gnaw out flight holes, after which they pupate inside the stems. Twelve to eighteen days later, quite nice butterflies fly out, the flights of which are observed mainly in June and July.

How to fight

Among the natural enemies of raspberry glassworts, it is worth mentioning tachine and braconids - they quite well reduce the number of these raspberry enemies.

When planting new raspberry bushes, infected planting material should be discarded. No less important will be compliance with agrotechnical standards, as well as rules for caring for berry crops. If possible, you should try to avoid all kinds of mechanical damage to the branches and fight annoying weeds. Regular inspection of berry bushes will help identify the presence of raspberry glass on the site.

Before the butterflies begin to fly out in the spring, as well as in the fall, drying and damaged shoots must be cut off to the very roots and burned immediately. Fruit-bearing shoots must also be cut out, and no stumps should remain, since raspberry glass often overwinters at their bases. And during the egg-laying period, the soil near the plants is also cultivated. From May to July it is also periodically loosened.

Before the leaf buds bloom, it is advisable to treat raspberry bushes with Karbofos. For ten liters of water it will be enough to take 60 g of this product, and for every ten bushes approximately two liters of the resulting solution are consumed.

If the berry bushes were not treated with Nitrafen before bud break, then at the very beginning of bud break it is permissible to spray with three percent Bordeaux mixture.

A set of measures aimed at combating other pests of this berry crop also helps to protect raspberry plantings from the voracious raspberry glass.

Source

Prevention of the appearance of currant glass

It is better to keep any pest at a distance from your site than to fight it later. Therefore, first of all, let's look at measures to prevent damage to currants by glassware.

Before purchasing seedlings or planting cuttings taken from a neighbor, carefully inspect them. All branches of the seedling should be healthy, and the cuttings should not have the slightest sign of a black core. Healthy planting material is not a panacea, of course. No one guarantees that in three or four years the young bush will not be attacked by glassweed. But we still have these three or four years. We still have time to take some preventive measures.

For example, let's plant several elderberry bushes on the plot or next to it. It does an excellent job of repelling glass beetles (and many other pests). And if there is a bird cherry growing nearby, we, on the contrary, will cut it down. The smell of bird cherry is very attractive for glass.

What else can we do? Plant plants with a pungent odor between currant bushes: tomatoes, calendula, nasturtium, garlic, onions, marigolds. The aromas of such “neighbors” are designed to confuse the butterfly. And if she doesn’t detect a currant bush by smell, then she won’t be able to lay eggs.

Main raspberry pests with photos

Raspberries are usually not a cause for concern. Modern varieties are resistant to pests and diseases. The plant organism is weakened by agricultural technology errors, depleted soil, and unfavorable weather conditions. Parasitic insects are waiting for a favorable moment to feed and reproduce. Find out about the most dangerous enemies of berry crops.

Raspberry-strawberry weevil

Anthonomus rubi - the raspberry flower beetle spreads quickly, migrating from area to area. The activity leads to a loss of 50-60% of the crop.

To avoid getting acquainted with the weevil, follow agricultural practices. Protective plantings of garlic, marigolds, marigolds, and nasturtiums work well (for 4 bushes, 1 head/flower).

Raspberry black beetle

Byturus fumatus, common raspberry damages flowers and berries. The harvest becomes unsuitable for processing and fresh consumption.

If the parasite is not detected in time, it will go into the soil in the fall, overwinter and turn into an adult in the spring. Carry out sanitary planting of onions and garlic. This will attract hoverflies and ground beetles - natural enemies of the raspberry beetle.

Raspberry bud moth

Incurvaria rubiella bjerk loves abandoned, old, dense areas. Dangerous, crop losses reach 90%.

Gallica

Lasioptera rubi successfully mimics ordinary mosquitoes and therefore often goes unnoticed.

Follow agricultural practices and do not plant blackberries and raspberries together. Avoid mechanical damage to the bark.

Raspberry stem fly

Chortophila dentiens Pand is “friends” with aphids, feeding on their sweet secretions.

Inspect every day, cut and burn wilted shoots in a timely manner (be sure to be below the egg laying). The larva will not go to the base and will not overwinter.

Raspberry stem fly

Starting in May, raspberry stems are attacked by small gray flies - raspberry stem flies. The tops of new plants become a place for them to lay their eggs. The larvae, which appeared a week after this, actively gnaw the shoots along the entire length.

Bushes affected by stem fly are characterized by wilted tops, which subsequently begin to turn black, rot, and eventually die. You can tear off such a stem without much effort, and on the stump that remains you will be able to see the indentation made by the pest, and the pest itself.

Prevention consists of regularly inspecting young shoots and detecting damaged tops. If we talk about how to treat raspberries against pests of this type, it is best to use Actellik. Young stems, the length of which does not exceed 15 cm, should be sprayed. The treatment should be done before flowering.

However, this method should be used only in cases where the number of pests is too large, and more than half of the raspberry bushes suffer from them. If the infection is not severe, then pest control consists of pruning diseased shoots and burning them.

What are the seasonal processing methods?

The type of measures depends on the stage of plant development. Consider which parasites and diseases are active during a certain period of the year, and use the appropriate method. Fighting methods are divided into three categories.

The first is agrotechnical measures that increase the productivity of the berry garden. The second is biological methods aimed at attracting predatory mammals, insects, and the use of drugs from pathogenic microorganisms. The third is chemical treatment using pesticides.

How to treat the plant in the fall?

At the end of the season, parasites seek shelter for the winter. The plant organism needs special protection. Processing in October-November:

How to deal with bugs in the summer?

In June-July, cut out damaged shoots entirely and burn them. When the plant has fully grown green mass, take measures against leaf-eating parasites (gall midges, beetles, mites). Treat against anthracnose, powdery mildew, and all types of spotting. In August-September, after picking the berries, spray the bush with systemic preparations Horus and Actellik.

Features of spring processing

In April, dig up the soil with a shovel full and remove the weeds. Spray the raspberries before the buds open at 12 degrees. Spray the preparations on the bushes and in the tree trunks.

What to do in the “green cone” stage:

Pay attention to the lower part of the sprouts up to 15 cm tall. They actively contact the ground and collect a maximum of parasites.

What to do in the “pink bud” stage when the petals fall:

Table No. 1. Protecting raspberries from insects

Preventive methods

Of course, prevention is the best treatment in pest control. After all, it is plants with weakened immunity that become victims of infectious diseases and harmful insects.

1. Buy planting material only in trusted, specialized stores.
2. Weeds should not be allowed to grow near the bushes.
3. Regularly loosen and dig up the soil around the perimeter of the circle around the trunk.
4. Constantly inspect the currant bush for the presence of gray butterflies on the leaves.
5. Every 2-3 weeks, especially during the flowering period, cut off dried shoots.
6. Collect dry branches and leaves under the bushes and throw them into the fire.
7. If more than 40% of the shoots are affected by glassware, the bush must be uprooted and destroyed.

Frequency of treatments

In early spring, before the buds open, it is necessary to prune dry, frozen, black shoots. Perform pruning at the root so that there is no stump left. It is necessary to remove shoots lying on the surface of the ground

However, it is important not to cause mechanical damage to healthy branches.

At the end of the season, closer to winter, sanitary pruning is carried out. Thin out the bush, depriving it of underdeveloped and dead shoots. The sections are disinfected with garden varnish or pastes.

Preventative treatment with insecticides is carried out after warm weather sets in. The biological product “Antonem-F” is a good choice. Treatment should be carried out during the appearance of foliage and before the formation of ovaries. If necessary, repeat the procedure after 10-14 days.

After the snow melts, loosen the soil, sprinkle with dry mustard, wormwood, ash or Trichlorometaphos-3 solution at the rate of 2 g per 1 liter of water. Before wintering, repeat chemical treatment.

For strong immunity, spring and autumn feeding with mineral and organic substances is needed.

Do not forget to regularly water the currant bushes in hot weather.

This is especially important during the period of flowering and fruit growth.

Natural enemies

here

Experienced gardeners provide traps for signaling and partial catching of glassware. To do this, use fermented currant jam, which is diluted 1:1 with water. The containers are hung on the crown of the bushes. It is enough to hang 1-2 pieces per plant.

It is advisable to use light traps on berry plantations. It is not recommended to use them in summer cottages, so as not to attract insects from neighboring areas.

Folk remedies for the fight and treatment of remontant raspberries

Use traditional methods in the spring, at the initial stage of parasite development.

If the parasite is widespread, apply chemical treatment before and after flowering.

Against the raspberry beetle:

Use oil spray (100 ml/10 l) against moths and aphids. Spray to kill caterpillars, eggs and larvae. A solution of baking soda (10 l/2 tbsp) is effective against flies. Spray once, in the spring when berries are setting.

Table No. 2. Folk recipes

Raspberry-strawberry weevil

The appearance of these pests can be noticed already in the spring, when young leaves are forming. After the buds form, weevils lay eggs at their bases. The larvae that appear over time penetrate the buds and destroy them from the inside.

Around June, the larvae pupate, from which bugs later emerge. During one season, two or three generations of pests parasitize. They damage berries, leaves and stems. Parasites overwinter under fallen leaves or in the upper layer of soil.

In the fight against the raspberry-strawberry weevil, you can use a simple method: at the end of winter, when the snow has not yet completely melted, the raspberry beds should be watered with water heated to 80 degrees.

This procedure will not damage the root, and the parasites overwintering in the top layer of soil will die. To ensure that these raspberry pests die in the spring, you need to spray the raspberry bushes before flowering with one of the preparations such as Iskra, Karbofos, Actellik or Confidor.

Characteristics of pests and control options

Raspberries are a whimsical crop that requires full and competent care. If there are errors in agricultural technology, not only does the yield of shrubs decrease, but also the immunity decreases. Such bushes are more often attacked by numerous pests and suffer more diseases.

The gardener needs to carefully monitor the plantings, notice the slightest changes in the growth, development, and appearance of the crop. A description with photographs will help determine who you have to fight.

Raspberry beetle

In addition to raspberries, this bug is dangerous for blackberries. The life cycle is one year, producing one generation of larvae. The adult individual (imago) does not exceed 4 mm in size and is gray-black. The entire body is covered with yellowish hairs.

Damages leaves, buds, flowers and berries of the crop. Female beetles lay eggs from spring to mid-summer. The larvae are yellowish caterpillars that feed on the raspberry fruit and gnaw at the base of the berries. This leads to deformation and rotting of the raspberries. Later, the larvae end up in the ground, where they pupate, turn into beetles and overwinter until next spring.

On a note! The use of any chemical insecticides is permitted only before the raspberry flowering phase and after harvesting the berries.

Raspberry glass

Having seen black-blue butterflies with transparent wings, similar in appearance to wasps, near the berry garden in May or early June, the gardener must treat the raspberries with insecticides. This will save you from laying eggs of an insidious pest - the raspberry glass. The adults are not dangerous, but the larvae damage the core of the shoots of the bush, which leads to drying out and death of the plant.

The caterpillars spend the winter in raspberry shoots, at the base of the bush, and the next year in the summer they pupate and after some time begin a new butterfly life cycle.

How to get rid of a pest:

On a note! In the spring, the berry garden is sprayed before the young leaves bloom.

Raspberry stem fly

Another pest, the stem fly, also lays eggs in raspberry shoots. Its dimensions are small - up to 5 mm, color - gray. The larvae are legless, dirty white in color, and devour the pulp of the shoots.

Clutches of eggs are usually located in the upper part of the stems; the larvae gnaw through entire tunnels inside, gradually moving down the shoots to the base of the bush. The plant withers, dries, rots.

The larvae overwinter in the soil, forming a false cocoon, and in the spring the adult flies emerge. If you break a damaged raspberry stem, you can see a white worm. This is the fly larva.

Gall midges on raspberries

Two types of gall midges may appear on this crop:

Both types of pests are dangerous, while the stem one produces one generation of larvae, but the shoot gall midge, under favorable conditions, can have 2-3 clutches per season. A characteristic sign of damage: the formation in the lower tier of the bush on the stems of swellings up to 2-3 cm in size - galls in which insect larvae are located.

Adults externally look like small mosquitoes (length up to 2.2-2.4 mm), larvae are yellowish or orange. The peak of flight occurs during the flowering phase of the bush, at which time female gall midges lay eggs. The larvae feed on the juice and pulp of raspberry shoots.

On a note! The use of chemical insecticides gives little result, since the larvae are securely hidden in the galls. Therefore, the main method is prevention and pruning of shoots in order to reduce the number of pests.

Raspberry bud moth

The insect is especially dangerous for early raspberry varieties. Adults are black butterflies with brown spots on shiny wings that lay eggs in buds and flowers. The caterpillars gnaw out the pulp of the ovaries, the fruit of the berries, descend into the ground and overwinter there in cocoons.

In spring, the larvae attack the bushes again, penetrating the swollen buds. Then they pupate and after some time adult butterflies emerge. The pest causes great damage to plantings, damaging not only raspberries, but also blackberry bushes.

Raspberry-strawberry weevil

From the name of this insect it is clear that it can be seen not only on raspberries, but also on garden strawberry plantings. The black beetle, up to 3 mm long, stands out among other similar insects with its long proboscis.

Lays eggs at the flowering stage of the berry bushes, one egg per bud. The hatched larvae devour the pulp of the buds, then after 20-27 days they pupate and turn into beetles. Adults damage the leaf blades and petioles of the bush, leaving holes in them.

Shoot aphid

Aphids are truly the scourge of gardens and vegetable gardens, causing damage to many plantings and at the same time being characterized by excellent survival rate. Most often, aphids attack raspberry fields located in low-lying areas, in partial shade, with a large number of weeds. At risk are thickened, grass-covered berry fields.

Aphids attack shrubs in the spring; when young leaves bloom, numerous voracious larvae appear. They occupy the leaves and petioles of raspberries, sucking juice from the plant tissues. By the time the buds appear, the tops of the raspberry bushes are literally covered with aphids and their larvae.

Streaks of honeydew appear on the leaves - secretions of aphids, which ants feed on. The affected stems dry out, the growth of bushes stops, the leaves dry out and curl. Another danger of aphids is that they spread many diseases, including raspberry viral mosaic.

What to do to destroy the pest:

Sometimes gardeners kill aphids with water by watering the tops of raspberry bushes with a hose or watering can.

Raspberry nutcracker

Traces of the presence of gall midges are very similar to the lesions of shoots by gall midges. The difference is in size, since in the former the swellings reach 8-10 cm. It is found infrequently, mainly in regions located near forests. Adults are wasp-like, with a black body and transparent wings.

The larvae develop in galls - special compartments in raspberry stems, causing the affected shoots to become covered with growths. Inside the swellings there are several chambers, each containing one larva. If damaged, the stems wither, turn yellow, and break.

Treatment of bushes with Actellik and Ambush will help prevent the appearance of the pest. It is advisable to avoid mechanical damage to the stems and bark of the bush, since it is through cracks and deformations that the gallworm most often penetrates inside.

Scoops

A dangerous pest that is nocturnal and attacks young leaves on bushes. Cutworms appear in May; two types cause the greatest harm to raspberries:

Gray butterflies lay clutches; brown or greenish-gray caterpillars emerge from the eggs, gnawing on the flesh of the leaf blades. Without taking measures and exterminating the larvae, only veins remain from the leaves. The crop yield drops sharply, the bushes dry out and die.

Signs of damage to a currant bush

Shoot damage can be difficult to diagnose until significant damage has been done to the plant. But if you look closely, you will notice that the leaves and fruits on the infected branches are smaller than on the others. By the end of the season, the foliage on these shoots will wither.

Flowers may dry out immediately after flowering, as well as some of the leaves, since this is the time of active feeding for growing caterpillars. If the branch was powerful, then it will not wither completely and next year you will notice dark holes on it. This means that young butterflies have flown out of them.

In order to begin to fight the pest, it is necessary to accurately determine the problem by checking the suspicious escape. It needs to be cut and cut lengthwise. In this case, you may notice inside the passage of the larvae, themselves and their excrement, similar to dust.

Important! The reaction of moths to pheromones is used in the manufacture of pheromone traps, which reduce the likelihood of infection of bushes. Inside the structure there is a sticky layer to which the males that arrive on the scent stick.

Raspberry rust

Raspberry rust

Raspberry rust

Raspberry rust

The fungus attacks raspberry shoots and leaves. The fungus overwinters on fallen leaves in the form of a cluster of spores. In spring, the spores fly away and infect plants. Yellow summer spore pads appear on the upper side of green leaves. By autumn, these pads turn black, and the spores formed on them overwinter. Affected leaves dry out prematurely and fall off, young shoots are stunted in growth: they gradually die off.

Measures to combat raspberry rust

• The same as with anthracnose.

Treating raspberries in summer against kelevik pests: how to fight

Common spider mite
Before dealing with raspberry pests, Acanthosoma haemorrhoidalis L. , you need to understand that this is a large bug with a body length of 13-17 mm. The color is yellowish-green with small black dots, the abdomen, especially at the apex, is red, the first antennal segment is red, the prothorax spines are also red. The lateral angles of the pronotum are sharp and strongly elongated. The larvae are similar to adult insects, but smaller in size. They feed on the sap of the tissues of deciduous trees and shrubs.

Control measures. Preventative treatment of raspberries against pests is carried out in the summer, during flowering or immediately after it, with one of the following drugs: fufanon, kemifos, kinmiks, actellik, spark, Inta-Vir. If the pest population is large, repeated spraying is carried out in the summer with the same preparations.

How to treat raspberries against the earwig pest in the fall?

Before treating raspberries for pests in the fall, you need to know that the common earwig Forfucula auricularia L. is a large insect 13-20 mm long. The body is narrow, the head is well separated, with a gnawing mouthpart directed forward. The insect has two pairs of wings, the front elytra are leathery, often underdeveloped or absent altogether, the wings, when folded, protrude from under the elytra in the form of short plates. At the end of the abdomen there are two hard appendages, running legs, with three-segmented tarsi. The transformation is incomplete; the larvae are very similar to adult insects, but smaller in size. Earwigs are nocturnal, hiding under leaves and branches or in crevices in bark during the day. They feed on both plant debris and vegetative plants, nibbling buds, young shoots, edges of leaves, petals, and internal parts of flowers.

Control measures. The first thing to treat raspberries against the earwig pest is an insecticidal preparation diluted according to the manufacturer's instructions. If the pest population is large, spraying is carried out with one of the drugs: Fufanon, Kemifos, Actellik, Inta-Vir, taking into account the waiting period.

Try varieties of large-fruited raspberries from a trusted supplier:

• Ruby giant - winter-hardy, medium-spreading raspberry bushes have a small number of thorns. The average weight of berries is 6-8 g, the maximum is 14 g. During the season, the bush produces from 4 to 5 kg of harvest, without requiring special care. The variety is resistant to typical pests and diseases.
• Early sweet is a powerful, semi-spreading, well-developed bush of Rubus idaeus Early sweet, reaching a height of up to 2 m. Thorny shoots grow at the base. The variety begins to bear fruit in June-July and is resistant to major diseases. The berries are juicy, sweet in taste with slight sourness and a strong pleasant raspberry smell. The shape of the fruit is round-conical, the weight of each berry is 6-8 g. From one bush you can collect 4-5 kg ​​of fruit.
• Altai delicious - raspberry thickets from specimens of this variety can reach 2.5 meters in height. Per hectare, the crop produces from 3.5 to 6.5 tons of dense and juicy berries, which perfectly retain their taste even after culinary processing (cooking into jam or jam, grinding with sugar or honey, freezing).
• Tulameen is the result of the work of breeders from Canada, who in 1989 grew this variety based on Nootka and GlenProsen and named it after the Tulameen River. Raspberry bushes reach a height of 2 m. The fragrant dark pink fruits of the Tulamin variety have an oblong-conical shape and weigh 4-5 g. They have a very pleasant taste. Harvesting these berries is very simple: they are easily separated from the stalks without losing their shape.
• Glen Ample is a very popular standard variety. The height reaches 3.5 m. The shoots are powerful, practically without thorns, each with up to 30 fruit branches. High-yielding raspberries - 4-5 kg ​​per bush, large berries 6-8 g, bright red, very sweet, dense. The variety is suitable for both personal gardens and farms, and for industrial cultivation.

Where do the holes come from on raspberry leaves?

Leaf damage is an obvious sign of parasites. The perforated gnawing is often round, but can have a different shape and size. This is typical for black raspberry beetles, weevils, cutworm caterpillars, and glass beetles.

Important! Pay attention to window gnawing, when parasites scrape away the surface of the leaf, leaving the cuticle intact. As a result, something like a “window” is formed - an opening covered with a transparent film. Such damage is caused by butterfly and bud moth caterpillars.