A beetle is causing the pitting
He is responsible for this damage caused by eating Vine weevil, who likes to settle on the laurel cherry and garden trees with coarse foliage. The nocturnal beetle is one of the most stubborn garden pests that you can only get rid of with a little know-how and patience.
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You recognize that Infestation at the circular holes in the leaves. In contrast to Shotgun Sickness there are no brown spots on the foliage. There are also semicircular feeding spots along the leaf margins.
The larvae are really dangerous for the plant
If the damage to the leaves only disturbs the appearance of the plants, the voracious larvae of the beetle can pose a serious threat to the cherry laurel. The approximately twelve millimeters long, white beetle larvae live in the root area. They initially feed on the plant's delicate fine roots. The older larvae eat their way to the base of the trunk and gnaw off the bark of the main roots there. As a result, the cherry laurel can no longer absorb enough water and is weakened. As a result, there is a risk of soil fungus infections and the shrub's death.
Control of the black weevil
Since the black beetle, about one centimeter tall, lives hidden, it is difficult to control with insecticides. Check with cherry laurels Pitting late in the evening with a flashlight. If you discover vine weevils in the process, place a flower pot filled with wood wool under the bush as the first emergency aid. The pests hide in these vessels during the day so that you can collect the beetles every day. In addition, bury neem press cakes around the laurel cherry, which spoil hunger for the beetles and larvae.
Most effective is the control of the larvae with small roundworms, the nematodes. The microscopic worms penetrate the beetle larvae and release a bacterium that kills the larvae.
Tips & Tricks
The vine weevil has many natural enemies such as shrews, hedgehogs, lizards, toads, and birds. Ensure a good ecological balance in the garden and offer the beneficial insects sufficient shelter and nesting opportunities. This is the simplest and most effective way to keep the voracious beetle at bay for a long time.
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