Why does your Fittonia verschaffeltii argyroneura have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The larvae of these flies live in the top layers of moist soil and feed on organic matter or decaying roots. In Fittonia, which requires consistent humidity, overwatering creates the perfect breeding ground for these pests.
If you have recently added fresh compost or organic potting mix to your Fittonia, the tiny flies may be attracted to the decomposing nutrients. This is often a symptom of an environment that is too nutrient-rich and overly damp.
While less common, certain small dark beetles can be mistaken for flies; they inhabit the moist substrate of tropical foliage plants like Fittonia to feed on root systems.
Your plant might also be experiencing one of these issues:
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