Fight plum moths - sprays, beneficial insects, insecticides


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Fight plum moths - sprays, beneficial insects, insecticides: moths

The plum moth is especially common in small and home gardens. The following is an explanation of the damage that plum handlers are causing and how they can be effectively combated.

The plum mover and the damage caused by it

The plum moth is a moth and at the same time a major pest on many house and plum trees. The insect places its eggs in the plum so that the damage to the fruit takes place through the feeding of the larvae inside. The reddish larvae feed on the fruit flesh around the plum stone. In addition, the plum fills in attack by the plum wrapper with Kotkrümeln. An indication of the plum winder infestation is the blue discoloration of the young plums, which usually fall off then.
The penetration of the plum moth larva into the fruit can be recognized by a borehole from which a rubber drop swells. Normally, the plum moth occurs twice a year. The first larval generation is expected in May and June respectively, about two to three weeks after the plum blossom. The second generation of the Falters then enters July or August. The tricky thing about plum wrapper infestation is that it's difficult to spot in time, because there are no traces of eating on the outer skin of plums.

The damage picture

The plum moth larvae cause feeding in the pulp of the plum and leave fecal crumbs so that the fruit is no longer edible. The plums affected become ready and drop off prematurely. Even with weakly bearing plum trees, even one generation of the plum moth can destroy the entire crop.

The fight of the plum moth

Effective chemical preparations to control the plum moth are not yet known. The best results are achieved with a local limit of the plum wrapper population, because the plum moth usually remains in the vicinity of the tree and does not fly far. Therefore, it is often sufficient already to pick up the fallen plums thoroughly and dispose. But this is only effective if the larvae have not yet left the fruits. Since the affected fruits are ripe, they can easily be shaken off the tree. This should be repeated in affected plum trees several times, pick up the plums and dispose of safely. In the second infestation phase in July and August, preventive measures can be taken by covering the trunk of the plum tree with corrugated board. The plum wrap larvae use the corrugated cardboard as a hiding place.
So you can check the cardboard regularly and simply pick the dolls or dispose of them with the cardboard. It is equally effective to regularly brush off the trunk of the plum tree in spring and late summer. Plum Traps also help against the plum wrapper. These devices filled with pheromone preparations can be purchased in the garden shop and attached in the tree. They catch the plum moths and prevent the multiplication of the pests. To prevent the plum winder infestation, it is recommended to plant a precocious plum variety. Late plum varieties are often particularly badly damaged by the second generation of the plum moth. Meanwhile, early plum trees are already harvested in the second infestation phase. The control measures at a glance:
  • Shake off regularly affected plums from the tree
  • Collect fallen plums promptly and dispose of safely
  • Attach plum maggots in the tree
  • To prevent it, plant early varieties of plums

Prevent the pest infestation with beneficial insects

The plum winder infestation can be well prevented by providing for the presence of his predators in the garden. This is possible if one manages his garden as close to nature as possible. Monocultures should be avoided, while a large variety of plants has a positive effect. In addition, with fly boxes, insect hotels and deadwood hedges you can strengthen the populations of the predators of the plum moth. If the predators of the plum moth find good nesting possibilities in the garden, the plum moth infestation should be limited.

Worth knowing in a nutshell

Affected plants: plums, mirabelles, plums
Damage: Caterpillar feeding in unripe or semi-ripe fruit, which causes them to drop prematurely. Fruits often show a drop of rubber at the drilling point. Larger damage is caused mainly by an infestation of the second generation moths between June and September, whose caterpillars hatch after a few days. The maggot is initially white, later reddish and usually eats the sweet pulp near the stone. Brown feces crumbs in the fruit are a clear indication of the infestation.
Most dangerous time: June to the end of August
Defense: Beneficials, especially spiders, earwigs, soft beetles and parasitic wasps, promote.Corrugated paperboard fruit collars around the trunks reduce infestation next year when they are removed at the end of September with the larvae hidden there. Frequent shaking of the trees in early summer and picking up the infested fruits also prevent future damage.

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