Why does your Anthurium andraeanum Oklahoma have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The larvae of these flies live in the upper layer of the potting medium, feeding on organic matter and decaying roots. They are attracted to the consistently moist soil conditions that Anthuriums require, creating a lifecycle loop.
Excessive moisture in the Anthurium substrate promotes fungal growth and root decay, which provides a nutrient-rich breeding ground for fungus gnat larvae. This condition often leads to secondary issues like soft, mushy stems.
Decaying peat moss or decomposing fallen leaves in the Anthurium pot act as a primary food source for flies. If the substrate is old and contains high amounts of decomposed organic material, it becomes a breeding site.
Your plant might also be experiencing one of these issues:
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