Use a biological control agent to get rid of fungus gnats in house plant soil using insect parasitic nematodes is a great way to control fungus gnats biologically. Marigold is capable of surviving very harsh weather conditions.
Therefore it can either be planted as ornamental plants or planted to form a border preventing gnats from living off your plants or your blood.
Control gnats in plants. Fungus gnats are between 1 16 and 1 8 long and have thin bodies kind of like mosquitoes with grey or clear wings black heads and slender legs. The sheet will prevent the gnats from laying their eggs in the soil and the scent will keep them away. Another way to get rid of gnats in plants is to spray an insecticidal soap solution on your plant leaves.
An insect parasitic nematode is a type of roundworm that is invisible to the naked eye. Sheets of yellow paper with adhesive on them. These are exactly what they sound like.
But what kind of bugs do you have. Choose any brand of fabric softener sheet that you d like and place it evenly on the soil so it s covering it up entirely. Both homemade and commercial insecticidal soaps contain fatty acids that will dissolve the exoskeletons of gnats while disrupting the cell membrane of the insect.
The gnats are attracted to the color yellow and get stuck on the traps. Also if plants nearby the one you re isolating are showing signs of wilting move them too just in case the wilting is being caused by the larvae from gnats in neighboring plants eating away at the roots and stems. Any plant you see with gnats move to another room or put it on your bathroom either in the bathtub or shower tray just to prevent the gnats from flying onto other plants.
It will not only repel gnats and a host of other bugs like mosquitoes but will also exterminate them. Yellow sticky traps can be found in the pesticide section of your garden center. Put a fabric softener sheet on top of the soil to repel the gnats.
Check the foliage or flowers planter rim and soil for insects daily. To get rid of gnats in plants and kill the fungus gnat larvae you can sprinkle some cinnamon on the surface of the potting soil of your houseplant or garden beds. The best way to control adult fungus gnats is with yellow sticky traps.
Once you discover adults eggs and larvae are usually already present in the soil. The cinnamon will kill the soil gnats.