Typical territories of fruit flies are the fruit basket and the organic waste bin. The window can serve as an entrance into the house. But there is no reason for them to stay there any longer. Then why are there so many little flies on the window?
Where do little flies on the window come from?
The small flies on the window are most likely not fruit flies, but so-calledSad gnatsThey live in thepotting soil of houseplants that are on the windowsill. They are usually introduced via soil contaminated with eggs.
How can I tell if they are fungus gnats?
Sickness gnats differ from fruit flies, also known as fruit flies and fruit flies, primarily in their body color: Whilefruit flies are reddish-brown,sickness gnats are blackGently shake the plants on the windowsill. If there is an infestation of fungus gnats, many small, black insects will rise from the potting soil.
Are fungus gnats dangerous?
Both fungus gnats and fruit flies cannot bite and are otherwise harmless to people and plants. However, the fungus gnat larvae are very voracious and can damage the roots of the plants. That's why you should always combat a larger infestation. For example with:
- Yellow boards
- Neem oil
- Predatory mites
- Bacillus thuringiensis subsp. israelensis
- Nematodes
Do the flies fly out when I open the window?
It may be thata few specimens find their way outside. However, most mosquitoes will stay indoors, near plants, as these are their habitat and food. You also can’t get rid of fruit flies using this method. In addition, new flies will soon hatch from the eggs laid.
How do I know if the potting soil I bought is contaminated with eggs?
That'sunfortunately not that easy, because the eggs of the fungus gnat are very small, like the eggs of the fruit fly. By using quality soil, the risk of infestation can be significantly reduced. In addition, the bag must not be damaged. To be on the safe side, you can sterilize the soil in the oven.
Tip
Fruit flies on the window are attracted to food
If the flies on the window are actually fruit flies, you should look for the cause and eliminate it, otherwise you won't get rid of the insects permanently. Is there a bowl of fruit on the windowsill? Or is there an open organic waste bin nearby?