Due to their preferred conditions, fungus gnats are a prevalent pest in greenhouse and indoor growing settings as well as in outdoor potted plantings. Preferred egg-laying sites include: moist organic debris/potting soil, decaying wood (mulch), and ground cover plants.
Apply Nemattack, Sf to the growing media. The beneficial nematodes will parasitize existing fungus gnat larvae, slow their feeding and kill them.
In addition to using Beneficial Nematodes, Sticky traps, Fungus Gnat Predators and Biological Insecticides are an excellent way to control Fungus Gnats as well.
Click below for more information on controlling Fungus Gnats.
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