Insects on the boxwood

Insects on the boxwood

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Question: insects or fungi?

hi, I have a hedge with many seedlings of boxwood, some of them have leaves with specks of "rust" in the upper part while in the lower part of the leaf two holes can be seen. How can I solve the problem? I hope I was clear in presenting the problem. Thanks

Boxwood Insects: Answer: Insects or Mushrooms?

Dear Gianluca,
it could be that your bossi are suffering from the fungal disease that is commonly called rust, and that often attacks the bossi; it is a fungus that creeps into the walls of foliage cells, and develops producing rust-colored spots, which over time tend to become powdery; this pathology is treated using a broad spectrum fungicide. But rust would not justify the presence of perforations in the foliage. So in my opinion, this is not a fungus, but an insect, in particular the cecidomia of the box: these insects winter in the ground, and in late spring they lay their eggs on the foliage; from the eggs come out small larvae that penetrate the leaf blade and feed on it; therefore on the leaves we can see brown spots, in the points where the larvae entered the leaf; but once entered, the larvae empty small spaces, creating translucent, almost transparent leaf zones. Insecticidal products are hardly used against this insect, because it is much more advantageous and useful to work the soil thoroughly to the full of the plants hit in the previous season: by airing, weeding and moving the soil at the base of the hedge, most of the individuals wintering in the soil, and in this way, the following season the cecidomia tends not to manifest itself. Since generally these insects tend not to cause massive infestations, they prefer to prevent them, so as to avoid spreading insecticides in the environment. If your plants are infested with a large amount of insects, then at the end of winter it is also convenient to carry out an insecticide treatment, using a product based on pyrethrum. Clearly, the smaller the plants are healthy, and the more easily they can protect themselves from attack by pests; therefore it is advisable to carry out all the practices to grow them suitable for the case, such as moving the soil at the base of the plants in autumn, and enriching it with fertilizer. The fertilizer is also supplied at the end of winter, using manure, or slow release granular fertilizer, for green plants.


  1. Roche

    I am very sorry that I cannot help with anything. I hope you will be of help here. Do not despair.

  2. Nalkree

    This information is not true

  3. Fitz Hugh

    I haven't heard about such yet

  4. Hyrieus

    )))))))))) I to you cannot believe :)

  5. Blar

    You have hit the mark. It is excellent thought. It is ready to support you.

  6. Ewan

    What about crazy thinking?

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