Appearance and damage
Mealybugs are easy to identify thanks to the fine white web that surrounds the insects. The approximately one to five millimeters large animals can be found on all parts of the plant. They feed on the sap and emit a poison with their saliva, which inhibits plant growth. The afflicted Leaves turn yellow and fall off. If the infestation is severe hydrangea inevitably one.
also read
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Causes of the infestation
If scale insects infest indoor hydrangeas, you have the lice usually introduced when buying another plant. With dry indoor air or longer, dry periods in the summer months, the animals can reproduce in large numbers and cause great damage. Frequent ventilation and regular spraying of the plants can prevent infestation.
Fight mealybugs
With our effective measures you can quickly get rid of the insect pests.
Biological control by predators
Parasitic wasp, ladybug and Lacewing are among the natural enemies of the mealybug. You can purchase these beneficial insects from specialist retailers and place them directly on the plant both outdoors and indoors.
Effective home remedies for mild infestations
You can make an effective and environmentally friendly spray against mealybugs on the hydrangea yourself. Mix:
- 12 g pararaffin oil
- 1 liter of water
- 10 drops of detergent
and pour the solution into a sprayer. Spray the hydrangea thoroughly with this mixture at least once a week.
Chemical control
If the infestation is very strong, it is sometimes unavoidable to use the chemical club Save hydrangea. Modern insecticides are plant-friendly and yet very good. Wet all parts of the hydrangea plant thoroughly so that all of the lice are really destroyed. Many agents have to be used several times in order to reliably kill the eggs of the mealybugs.
Tips & Tricks
Since mealybugs multiply explosively, the neighboring plants of the hydrangea could also be infested. You should therefore check them in any case and take suitable countermeasures as soon as the first signs appear.
