Often there are dwarf cicadas behind it
Actually, cicadas are better known from the southern countries. What is less well known, however, is that this insect family, which comprises around 45,000 different species, contains tiny specimens that are no more than two millimeters long. There are also different types of these dwarf leafhoppers, with the rosemary especially the black-point leaf hoppers (Eupteryx atropunctata), the sulfur leaf cicada (Emelyanoviana mollicula) and the Ligurian leaf cicada (Eupteryx decemnotata) create. The name "leaf cicada" comes from the diet of these pests; they mainly sit on the underside of the leaves and suck the nutritious leaf sap. The small, elongated and winged animals can also be seen in good light. The yellow or yellow-white dots or The puncture sites are spots on the leaves.
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Measures against cicada infestation
Fortunately, such a cicada infestation of the plant can usually not be dangerous, so it is primarily a visual problem. Nevertheless, you should take appropriate measures as soon as possible, as sucking out the leaf sap will weaken the plant in the long run. In addition, the animals are very agile and can spread quickly. You should get your Rosemary in the kitchen If you want to use it, you better steer clear of chemical pesticides. Instead, you can fight the animals biologically:
- The first measure taken should be the infected Rosemary to be transplanted.
- Carefully remove the old substrate and shake the plant thoroughly.
- Now rinse the rosemary vigorously in the shower.
- Put the Plant in a new pot and in fresh substrate.
- Also, move them to a new location.
- Spray the plants with a diluted vinegar solution to kill any remaining eggs.
Tips & Tricks
Leaf hoppers lay their eggs in autumn and the larvae hatch in early spring. You can protect young plants with a close-meshed insect protection net, but you should still check them regularly for insect infestation. The sooner you react, the greater the likelihood that you will get rid of the critters again.
IJA