How to deal with a raspberry fly

Gardeners and gardeners deliver a lot of trouble flies of various species. The danger to raspberries is the so-called raspberry fly. If it appears on the bushes, the owners of personal plots may be left without most of the tasty and healthy berries. Therefore, the fight against raspberry flies should be conducted without fail. There are various ways that can help get rid of pests. Before you learn about them, you need to find out what these insects look like.

Insect appearance

The stem raspberry fly belongs to small insects, whose length is about 6-7 mm. Their color is brownish-gray. Raspberry fly carries wintering under bushes - in the upper layers of the soil. The active breeding season of the pest begins in the spring and falls on April and May, depending on the regions of the country. This happens at a time when young shoots begin to appear. A raspberry fly crawls out of the ground.

To recognize the pest, you should carefully look at the photo of the raspberry stem fly. In itself, it is harmless, problems begin after it lays white oval-shaped microscopic eggs. In total, raspberry fly is able to put them in the amount of 90 pieces. As soon as this happens, plant changes become noticeable - a gradual wilting of the leaves begins.

Insects lay eggs in the axils of the upper part of the leaves. After 5-8 days, larvae appearing having a cylindrical shape and white color. It is they, and not white flies on raspberries, as people often say, that cause significant damage to the bushes by gnawing screw-shaped passages in soft stems. As a result, the foundations of young shoots are damaged. Recognizing a raspberry fly is quite simple. If young shoots in the upper part of the bush become sluggish, turn black, then a raspberry fly has appeared. Movements are visible along the stems, by cutting which, the larva itself can be seen. If no action is taken, the plant will die or the number of young shoots that are fruitful will be much reduced.

Important!

Raspberry stem fly is able to destroy not only raspberries, but also blackberries and meadowsweet and meadowsweet. That there was no mass destruction of bushes, it is necessary to fight, having chosen really effective methods and methods.

Raspberry stem fly control methods

There are various ways that effectively help get rid of raspberry fly larvae.

Aggressive agents

Chemicals are used during the growth period of shoots when their height does not exceed a length equal to 15 mm. The most common are the following drugs:

• Karbofos. It is a moderately toxic substance. To prepare the desired solution, 60 grams of the drug should be dissolved in 10 liters of water and sprayed with bushes in the evening. If it is forecasted to rain, the drug is best not to use. Enough to process the plant 2 times.
• Spark. It belongs to a wide spectrum of action and helps well in the fight against insects that eat leaves. The drug is sold in tablets. Prepare the solution according to the instructions on the package.One tablet is enough to prepare 10 liters of a solution that needs to be sprayed with raspberries.
• Actellik. A drug of chemical origin that has a negative effect on the digestive tract of the pest. It is sold in ampoules (2 g) in the form of an emulsion, as well as canisters containing 5 liters. Instructions are attached to the drug, which describes in detail how to prepare and use the product. It is permissible to use the solution no more than twice a year, since the drug is quite toxic.
• Confidor. Highly effective low-toxic insecticide that seeps through the stem, foliage, root of the plant. It provides excellent protection for up to two weeks from raspberry flies even in very hot weather and is practically not washed off by rain.

Important!

You can only use the preparations after collecting the berries, as they are dangerous for the bees and insects involved in the pollination process. It is also strictly forbidden to spray if there are beehives nearby.

Biological preparations

To destroy raspberry flies, biological agents are used. Experts recommend paying attention to such drugs:

• Fitoverm. It has a wide spectrum of action, but its effect will be noticeable only a week after application. They can be treated with bushes several times in the evening, but no less than 2 days before harvesting. For bees, this remedy is safe.
• Agravertine. The drug is an alcohol-infused extract from a soil fungus - streptomyces. The spray solution is prepared according to the instructions. It should be used immediately. It is perfectly used in hot weather, enhancing the effect, but at a temperature below 18 degrees it is not recommended to use it.

Feedback

In June, I discovered that my raspberry bushes were badly damaged by a raspberry fly. A neighbor advised and gave me Fitoverm. She described in detail how to use it. I did everything as expected and processed the raspberries in the evening. A good drug, I recommend.

Daria, Vladimir

Folk remedies

A raspberry fly is a specific insect. It is almost not affected by drugs prepared by hand. But gardeners and gardeners are not discouraged and are constantly looking for new measures to combat this pest, which can destroy the raspberry crop. In the comments, people write that they use Bordeaux fluid for this purpose. It is a mixture of copper sulphate and milk of lime. The resulting composition is recommended to water the soil under raspberry bushes and such a problem as raspberry fly does not arise.

According to experts, this method is good if you use well-known drugs that have proven to be effective at the same time. Bordeaux fluid has been known to gardeners and gardeners for a long time. It is of great use for the occurrence of rot, it perfectly helps with diseases of grapes, roses, various shrubs. It is logical to assume that it is also good for raspberries. She certainly will not bring harm.

Feedback

I constantly use Bordeaux rose fluid. 2 years ago, planted several raspberry bushes and also began to water this solution under them. So far, I have not encountered any pests.

Galina, Minsk

Prevention

In order for the raspberry bushes to please the owners with a rich harvest, care should be taken in advance and preventive measures should be taken:

1. Digging the soil. This is necessary, since the raspberry fly pupa spends winter time in the ground under a bush. You need to dig carefully so as not to damage the root system. As a result, the larvae will freeze and die.
2. Mulching. Under the bushes, rotted manure should be poured, its height should not be less than 8 cm. Such a barrier will not allow the chrysalis to break out.
3. Regular inspection. If wilted stems are found, they should be cut closer to the base.Since the larvae affect the upper young, strong shoots, they should be given special attention. If moves are detected, it is also necessary to trim to an undamaged place. In the future, a new, healthy shoot is formed.
4. Spraying bushes with soda solution. In 10 liters of water you need to dissolve 2 tbsp. l soda, stir and sprinkle each bush in the spring when the berries are just beginning to set.

If you constantly monitor the plants, the likelihood of raspberry flies appearing on them decreases many times. If they appeared, you should choose one of the proposed methods so that get rid of flies.