Fungus gnats deposit their eggs in damp organic substances such as compost, mulch, and soil. Once hatched, the larvae feed on decaying matter, fungi, and algae present in the soil. After approximately two weeks of feeding, they enter the pupal stage and eventually emerge as fully developed flying pests.
Gnats have a preference for moisture, making the summer months their prime time of activity. You are likely to come across them in areas of your home with high moisture levels, such as kitchen drains or damp potted soil.
It’s important to note that factors like food spills, unsealed garbage cans, or potted houseplants can create favorable conditions for gnat infestations.
The lifespan of fungus gnat adults typically ranges from one to two weeks, allowing them to complete a full life cycle within approximately 18 to 30 days. In comparison, moth flies adults have a slightly shorter lifespan of around 14 days, and they complete their life cycle within approximately 7 to 21 days.
To create a gnat trap, mix equal parts vinegar and soap, and then incorporate a few tablespoons of sugar. Once thoroughly mixed, you can position the bowl in the areas where gnats tend to gather. The sugar and vinegar will attract the gnats, causing them to drown in the mixture.
Alternatively, you can make traps using red wine and dish soap, or by utilizing rotting fruit.
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