Web on an apple tree: 6 reasons for the appearance of various pests

Photo of cobwebs on trees

Where does the web on the apple tree come from

Often, when the word “web” comes to mind, its main creators are spiders. But no less fruitful layer of the web can be created by other types of pests.

spider moth

This is a small white butterfly. She chooses young branches and secluded places. Usually this is a branching and base of the kidneys.

Caterpillar hibernates under egg scutes, laying large numbers of eggs. In early spring, they begin to gnaw on the buds, later they eat the leaves. The leaves dry up, and the pest creates a web in which from 20 to 70 individuals can live.

Next is education pupaefrom which butterflies emerge in summer. About a hundred eggs are laid under the shields. Usually young branches are examined under a magnifying glass.

Before winter, the tree is treated with lime milk, preventive whitewashing will help to avoid the spread of pests. In early spring, it is necessary to cut and burn the guards before the caterpillars wake up.

Caterpillars

Almost black caterpillars with a bluish stripe on the back - ringed silkworm. They don't move during the day. At night they eat leaves and flowers.

Green caterpillars are called tinker. They have one dark and 3 light stripes. They enter the kidneys and eat them from the inside. Leaves and flowers are eaten in spring.

Gray caterpillars with tufts of hairs - silkworms are unpaired. They are carried by the wind from one tree to another. In the spring it is necessary to inspect the trunks. The masonry is scraped off with a knife and kerosene is applied.

In the fight against them, tincture of milkweed or wormwood is used as a prophylaxis and with a small scale of damage. It is appropriate to use Lepidocide and Bitoxibacillin. However, 2 of these drugs are used at a temperature of at least 15 degrees Celsius.

Worms

Caterpillar of the codling moth.

This is an apple codling moth. Butterfly masonry from the wrong side of the sheets. After 14 days, pinkish caterpillars (length 18 mm) with brown heads appear. Caterpillars feed on buds and buds. The pupae are yellow-brown in color (up to 12 mm long).

When the codling moth lays its eggs, it makes a cocoon out of a leaf, wrapping it in cobwebs. In advanced cases, the whole tree is covered with a kind of bundle, and the fruits also suffer.

There are several different basic ways to fight.

leaflet butterflies

Their appearance is indicated by twisted leaves of an apple tree. The difference between these butterflies in folded horizontal wings. Greyish butterflies are active at night. To combat them, they remove the winter egg-laying, shake off the caterpillars and burn them. Also be sure to clean and burn the old bark. It is necessary to spray with bioinsecticides.

Click on full leaflet control guide.

apple sucker

Copperhead on leaves.

The second name of the leaflet. Usually appears on a young tree. Small insect no more than 3 mm. The eggs are yellow-orange. They are found in the folds of the bark and annuli.

In the spring, the larvae suck the juice from the kidneys. The formation of soot fungus provokes blackening of foliage and flowers, and subsequently drying. After the flowering of the tree, the larvae become green psyllids with transparent wings.

To destroy the larvae, use:

Effective is fumigation with tobacco smoke. They make piles of straw, pour tobacco dust (2 kg for each pile). After 2 hours of burning, the tinsels fall to the ground. It is necessary to dig up the earth immediately.

Tick ​​of the web

Usually lives on seedlings. It can only be seen under a magnifying glass. The size does not exceed 0,5 mm. May appear on apples, leaves, stems.

Red spider mite

Red tick.

Purple bugs from 0,3 to 0,5 mm. Their invasion is characterized by cream, scarlet, silver spots on the leaves. Larvae in the form of white spots on the reverse side.

Destroy with the help of "Bicol" and "Verticillin". The rest of the mites are fought with a solution with the addition of soap. Chamomile infusion is also used (1 kg per bucket). Defend the decoction and apply 2 times a week. With a huge number of ticks, the use of chemicals is appropriate.

For prevention, fallen leaves are collected, branches are cut, burned, and the old bark is cleaned with a metal brush.

Spider web aphid

Summons a black streak. Most often on young apple trees green aphid. By winter, a huge number of eggs are located at the base of the kidneys. In the summer they are treated with infusion of tobacco.

The gray aphid settles on an adult tree. The leaves swell, change color and dry out. Safe in this case, the use of "Verticillin" at a temperature of 22 to 24 degrees. 0,5 l of the drug is mixed with 10 l of water. Bicol and Bitoxibacillin are also effective.

Folk methods of struggle

People have long trusted folk remedies.

Prevention

To prevent pest infestation:

• pull out the weed;
• cut root shoots;
• avoid close proximity to cruciferous and flowers;
• fertilize;
• attract ladybugs with cumin, dill, parsley;
• pruning the apple tree before the growing season;
• treat wounds.

When pests appear, you can use biological products:

Conclusion

Insects can harm apple trees. Therefore, prevention is a necessary measure. If pests are found, you can choose any method for destruction.