Fight apple tree pests - 10 pests & means of control presented

The Content Of The Article:

While some insects are useful, there are also many that can damage an apple tree. Then it's time to act quickly and fight the pests.

The apple tree has many enemies

Apple trees are among the most popular fruit trees in German gardens. But they are also haunted by various pests, which can then quite possibly spread to other plants in the garden. Therefore, you should check their apple trees regularly to be able to intervene early if necessary.

Not always an immediate action is necessary, you can also tolerate a small number of pests, because they also serve as food for other useful animals. However, you must not let it come so far that it comes to a big crop failure.

Detect pests early

During the spring and summer months, you should take a tour of the garden regularly. The leaves of the apple tree are the first evidence of infestation with pests. As soon as they curl up, discolour or show holes, you have to get to the root cause. Later, you will see if the flowers and fruits are also optimally developed.

The branches should also be examined for pests. You may also want to climb a ladder to have a check at the top of the treetop. Alternatively, a pair of binoculars can help.


Hear from neighbors that they have discovered pests on their fruit trees, this is always an alarm and reason to act. If you have detected a pest infestation, you must also control the neighboring plants.

Apple tree pests and their control presented

✱ aphids:

In addition to mildew, which is caused by fungi, you will often find fruit lice on fruit trees. These suck out the leaves of the apple tree and thus damage it.

Control options:

Aphids can be combated with a lye. To do this, mix water with detergent in a ratio of 10: 1 and spray the affected areas with it. The dishwashing liquid prevents the aphids from further tampering with the leaves and also helps them to breathe (reading tip: Fighting aphids with garlic - 3 options presented).

✱ worms:

You will usually find worms at the tips of the branches. As a rule, you can recognize a web there as well.

Control options:

You should completely remove the affected branch and dispose of it with the residual waste. The interface is then best sealed with beeswax.

✱ codling moth:

One of the most common pests with which you have to count on apple trees is the so-called codling moth. It is a butterfly whose larvae attack the apples. Between May and September, the butterfly flies around laying its eggs on the leaves and fruits of the apple tree. At the latest 14 days later, the caterpillars hatch and eat their way through the apples.

They recognize an infestation that the fruits are perforated. The larvae stay inside the apples.

Control options:

In order to fight the codler, it requires the use of a suitable insecticide. Or you prevent an infestation the same. To do this you wrap the thick branches and the trunk of the tree with corrugated cardboard. Below hide the larvae, which you can then collect.

✱ apple blossom sting:

The apple blossom engraver is also an enemy of the apple tree. It is not a butterfly, but a beetle. This grabs not only on the flowers, but also on the fruits.

The apple blossom stalk hibernates in the woods, so it occurs almost exclusively in forest-like gardens. An infestation with the apple blossom piercer then shows a reddish brown discoloration.

Control options:

Songbirds are the natural fine of this beetle, so settling in the garden is the best weapon. You can lure the animals into your garden by Nesting boxes are available, as natural nesting options have become scarce in our gardens.

A control without chemical means is hardly possible with this beetle. It is advisable to always remove affected flowers, so that no further spread is possible.

✱ Apple sawdust:

The apple sawfly also eats through the apples to the core housing. They eat the fruits from the inside hollow, so that they eventually fall off. If they remain on the tree, under their shell forms a corked area with yellow-brown discoloration. The apple sawflies start their flight during flowering.The larvae can then start their work later. After the larvae have left the fruit in June, they overwinter in the soil.

Control options:

Once you've discovered holes on the apples, you should destroy them. In addition, you can provide white boards with glue and attach to the trees, because that catches the wasps. Chemical control by special means can take place once the larvae have hatched.

✱ frost release:

The Frostspanner is also a moth, which deposits its eggs on the apple trees in autumn. Next spring, its larvae will hatch, tampering with the leaves and flowers. The tree parts gradually dry out and eventually fall off. The frost tensioner attacks not only apple trees, but also plums and cherries.

Control options:

Since the butterflies hatch from October, you should attach glue rings to the trees until mid-October. Normally the pest is destroyed by beetles, birds and spiders if there is a natural balance in the garden. If the infestation is very strong, then only the use of chemical agents, which are intended for the control of biting and sucking insects.

✱ spider moth:

From April, the caterpillars of this moth cause damage to the leaves of the apple trees. In the further course of the infestation, bright webs can be seen on the trees. The caterpillars of the webbed moth live in it. If the infestation progresses unhindered, in the end even the whole tree can be covered with nipples and eaten completely bald.

Control options:

Usually the destruction of insects is done by birds and parasitic wasps. If you discover spiders on the apple tree, you can remove them along with the caterpillars they contain.

✱ Flourish apple aphid:

Among the worst pests of the apple tree is the Mehlige Apfelblattlaus, because it can do tremendous damage to shoots, leaves and fruits. If there are enough ladybugs and lacewings in the garden, an infestation should not prevail. Just before flowering begins, you should carefully inspect the trees and then do so until about three weeks after their end.

They recognize the infestation of discoloration of the leaves. In addition, the leaves roll in and then accommodate whole colonies of lice. If the fruits are damaged, they remain small and are sometimes crippled.

Control options:

Just before the end of the flowering season, you can use Calypso (available here) to fight. This remedy also acts simultaneously against fruit stingers and the apple sawfly.

✱ Rust mite:

Even mites can be tampered with the apple trees. The rust mite is reflected in the fruits and leaves. The fruits remain colorless, the underside of the leaves turns brownish.

Control options:

The damage caused by this mite is limited, so you should avoid the use of chemical sprays. The natural enemy of the rust mite is the predatory mite. These can settle you in the garden with very strong infestation.

✱ fruit tree spider mite:

An infestation with the fruit tree spider mite can be seen in bright spots on the leaves. Later, a yellow-reddish mold develops. The leaves can also fall off.

Control options:

The fruit tree spider mite should be combated as possible only with natural enemies such as ladybirds, spiders and lacewings. If you use chemical agents, they too will be destroyed, making them counterproductive.

Video Board: 3 Pests to control when growing Fruit Trees.

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