If the maple leaves have been eaten, certain beetles are usually the culprits. This is how you find the culprit and protect your maple from damage.
What to do if maple leaves are eaten?
If maple leaves are eaten, cockchafers or black weevils can be the culprits. Cockchafers eat leaves from the inside, while black weevils cause damage to the leaves. Natural nematodes can be used to combat black weevil larvae.
Which animals eat maple leaves?
EspeciallyCockchaferandSmooth weevil are possible causes of leaf damage on maple trees. In the event of a larger infestation, these animals cause damage that you will quickly recognize. They eat leaves and leave behind eaten foliage that is immediately visible to the pests. If only a few leaves have been eaten, it's not that bad. However, a severe infestation can cause significant problems, especially with the black weevil.
Were the maple leaves eaten by cockchafers?
The cockchafer appears for a short time fromMay to August and can be discovered on the tree. These beetles are quite large and have a typical appearance. You will quickly recognize them if they eat away at your maple tree. May beetles eat the leaves from the inside. Fortunately, cockchafers appear in certain cycles. Large populations only occur every three to four years. This rhythm alone ensures a certain level of relaxation.
Did the black weevil eat the leaves of the maple?
You can recognize an infestation by the black weevil by the so-calledbay feeding. There are no chaotic holes being eaten into the leaves here. Instead, the black weevil eats its way into the leaves from the edges. This results in small bulges on the edges of the leaves. If the leaves on the maple have been eaten in this way, you should definitely react. The leaf damage itself isn't that bad. However, the black weevil deposits larvae in the soil, which cause even worse damage.
What kind of damage do black weevils cause besides leaf feeding?
The larvae of the black weevileat roots of the maple tree. On the other hand, if you don't take action, the plant's natural nutrient and water supply will be interrupted. As a result, some trees have already died. To avoid this fate, you can collect the beetles above ground and fight the larvae. Since the animals are nocturnal and it is difficult to catch them all, we recommend fighting the larvae.
How do I treat a maple tree with eaten leaves?
BuyNematodes and use them against the offspring of the black weevil. Nematodes are small roundworms that are among the natural enemies of the black weevil. Once placed in the soil, they feed on the beetle's larvae. When these have been completely eaten, the nematodes disappear again. In this case, you do not have to resort to chemical agents, but can successfully combat this pest biologically.
Tip
Chemical control of grubs not permitted
Fighting grubs with chemical pesticides is neither permitted nor recommended. As a result, you would be polluting the soil of your garden over a large area with harmful substrates. However, the nematodes provide you with sufficiently effective services.
