Finding tiny fruit flies, or fungus gnats, loitering just above the surface of potted plant dirt is a common nuisance for indoor gardeners. These pests feed on the decaying organic matter and fungi in potting soil, although they do not cause any damage to plants.
It's not uncommon to see tiny brown or black flies hovering around your houseplants.. Keep the trap near soil level, as gnats rarely fly far from the compost.
Fungus gnats lay their eggs in moist soil where the larvae will hatch and feed on small roots, fungus and other organic matter in the soil. They have no interest in fruit. If you see tiny black bugs in plant soil, and flying around your plants â€“ those are fungus gnats.
Small black insects on the surface of houseplant soil or around container-grown plants are likely to be fungus gnats. These black insects, up to 1/8 inch long, are .
Small black flies around 2mm long run over the soil surface or fly slowly around houseplants, pot plants and borders. Larvae are small translucent worms, up to .
They enjoy the perfect environment of soil and moisture that indoor plants grow in