Why does your Anthurium andraeanum Madural have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The presence of tiny black flies in Anthurium is almost always due to fungus gnats, which thrive in the moist, organic-rich potting media required by Madural varieties. The larvae live in the top layer of soil and feed on decaying organic matter and occasionally fine root hairs.
Frequent watering or poor drainage creates the damp environment that attracts fungus gnats and provides them with breeding sites. For Anthuriums, excessive moisture can lead to anaerobic conditions in the substrate, fueling the life cycle of these flies.
If the potting mix contains too much peat moss or bark that has begun to break down, it provides an ideal food source for fly larvae. As organic material decomposes in the Anthurium pot, it releases gases and nutrients that attract adult flies to lay eggs.
Your plant might also be experiencing one of these issues:
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