There are many plant pests in the garden that can drive many a gardener to despair. However, there are not only chemical ways to combat these pests. One method for natural pest control is parasitic wasps.
Using parasitic wasps against whiteflies
You can combat whiteflies with parasitic wasps. It is often found in gardens and greenhouses, but is also common on houseplants. As soon as you find the first traces of the pests in the garden, you can go to a garden supply store and buy the parasitic wasps.
As soon as the outside temperature is above 12 degrees, the animals lay their eggs and can get rid of the whitefly. It's best to check for pests every time you go into the garden, because once the whitefly has spread properly, the parasitic wasp can't do much either.
The parasitic wasp as a preventive measure on tomatoes and cucumbers
However, the parasitic wasp can also be used preventively, because it has a preventive effect on tomato and cucumber plants against pests and parasites .
The parasitic wasps are available in small packages. The animals are then placed in the garden. 10 to 50 parasitic wasps can be expected per square meter.