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Have you ever noticed a foam covering on leaves, stems and stems on flowers or bushes? You have certainly seen a foam like this before and wondered what it could be.
If you are out in the wild, you could assume that the saliva comes from animals like a fox or a dog, but in your own garden this is rather unlikely.
Foam leafhopper (Aphrophoridae)
If you find the foam close to the water, it is also possible that it could be toad foam. But neither is the case. This foam comes from an animal, however, from an insect. From the cicada.European cicada with its frog-like head -
The cicada can be found when you remove the so-called cuckoo saliva, as the foam is also called. This hides this insect, which sucks on the greenery and is protected from enemies and also from drying out thanks to the foam. So the foam is nothing more than the protective cocoon of the cicada larva. If the foam disturbs you, remove it with a water jet.
The cicada itself does little damage. So it is usually quite harmless.