How to control spider mites on trees

Red spider, a pest that can affect your Chamaedorea

Mites are very small insects, so small that it is often difficult to see them. However, they can cause significant damage to plants; also in the trees, especially if the environment is warm and dry.

Although it may seem the opposite at first, we can do several things to avoid it. We'll see how to control mites on trees.

What are the symptoms or damage of mites on trees?

Red spider in flowerpot

Mites, in addition to being very small, multiply very quickly, which is a serious problem since the symptoms or damage they can cause can be significant. For all this, it is necessary that we observe our trees daily in order to identify the pest as soon as possible.

So, if we see any of these symptoms or damage, we can be sure that they are being attacked by these insects:

  • Leaf spots, being somewhat clearer on the upper side than on the underside.
  • Yellowing I lumps of / in the leaves.
  • Fruits malformed.
  • Flowers abort and they fall.
  • Appearance of Spider webs.

What to do to control and / or combat them?

Plastic sprayer

If we have mites in trees we can do several things:

Ecological remedies

  • Yellow sticky traps- They are placed near plants so that mites, who love the color yellow, cannot resist the temptation to go to them. Once they come into contact they will stick together.
  • Garlic: we boil two liters of water with a crushed head of garlic and then let it macerate for 8 to 12 hours. Then, we strain it and fill a sprayer with the resulting liquid and then spray the leaves with it.
  • Dried nettles: we collect 100 grams and boil them in 1l of water. When it has cooled down, we fill a sprayer and treat the trees.
  • Onion skin: we cut it and spread it around the trees.

Chemical remedies

If the pest is very advanced, the ideal is to use chemical insecticides such as Binapacryl or Methoate. Of course, it is important to wear gloves and a mask, in addition to following the instructions specified on the package to the letter.

All in all, we will no longer have to worry about mites. 🙂


2 comments, leave yours

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  1.   aurora guerena tomas said

    Hello Monica
    I have a thirty-five-year-old pear tree that started getting mites about five years ago, I think.
    They gave me a product in the nursery and I treat it every year but it gets worse and worse. This year I have sprayed it three times with mite insecticide and nothing, all the leaves are falling off and they are turning black, first it has like fluff on the underside or a cobweb, I don't see it well.
    I do not think I can resist the summer, what can I do to save it?
    I thank you for the article that has helped me to get to know my pear tree better.

    1.    Monica Sanchez said

      Hi Aurora.
      I recommend treating it with a copper-based fungicide. Spray all the leaves well, at dusk when the sun is already setting.
      This should improve.
      A greeting.