Eliminate fungus gnat larvae: the larvae damage roots — treat with BTI solution, nematodes (Steinernema feltiae) and keep substrate dry on top.
Adult fungus gnats are harmless, larvae feed on roots. Prevention: Allow top layer of soil to dry, sand mulch, yellow traps. Control: Water with Bacillus thuringiensis israelensis (BTI), use nematodes (Steinernema feltiae). Water management is crucial - avoid waterlogging. Pot quarantine for new acquisitions.
Signs of fungus gnat larvae include weak plants, yellow leaves, and visible root damage. The presence of adult fungus gnats can also indicate a larval population.
Fungus gnat larvae can be effectively controlled using BTI spray, nematodes (Steinernema feltiae), or by keeping the substrate dry.
Yes, fungus gnat larvae feed on plant roots, which can lead to stunted growth and, in the worst case, the death of the plants.
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