Why does your Dionaea muscipula have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The tiny black flies are likely fungus gnats whose larvae live in the moist substrate of your Dionaea muscipula. They feed on organic matter and decaying plant tissue, often thriving in the high-humidity environments required by Venus Flytraps.
If you have recently provided live prey or there is fermenting organic matter in the soil, fruit flies may be attracted to the moisture and sugars. While not directly damaging the plant, they can indicate an imbalance in nutrient decay.
The presence of flies often correlates with decomposing peat moss or sphagnum moss that has become anaerobic. This decomposition creates a breeding ground for insects and can lead to much more serious root rot in the Dionaea muscipula.
Your plant might also be experiencing one of these issues:
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