May 26, · Nematodes are microscopic worms, available at garden supply and home improvement stores, that dig into the soil and feast on fungus gnat larvae—and they . How to Control Fungus Gnats Treat the Soil. Since fungus gnat larvae make their home in moist soil, keeping the soil dry will go a long way in Set Out Yellow Sticky Traps. You can find these sticky traps in the garden center of your local home improvement store Make an Apple Cider Vinegar.
Although a few species are up to 1⁄2 inch long, fungus gnat adults commonly are about 1⁄16 to 1⁄8 inch long. Wings are light gray to clear, and the common Bradysia species have a Y-shaped wing vein. Because adult fungus gnats are attracted to light, you first . Adult fungus gnats don’t bite or feed, so they aren’t a threat to people or plants. However, they can become an annoyance if they aren’t controlled and are left to reproduce in large numbers. The larvae of fungus gnats pose a small threat to young plants.
Aug 17, · The adult Fungus gnats are usually mm – 3 mm long and greyish-black in color. They have slender legs, segmented antennae and a pair of clear wings. The eggs are whitish-yellow in color, and the larvae have an elongated and transparent body with a hue of white color. The best way to control adult fungus gnats is with yellow sticky traps. These are exactly what they sound like: sheets of yellow paper with adhesive on them. Yellow sticky traps can be found in the pesticide section of your garden center. The gnats are attracted to the .