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Are you finding little flies hovering around our houseplants? Chances are you have fungus gnats. Fungus gnats are problematic as their larvae feed on young, tender roots and in the stem at the base of the plant. This feeding injury provides an entry for disease pathogens, which could affect the health and growth of your plant baby.
A female fungus gnat may lay up to 300 whitish eggs in clusters of 20 or more. The eggs are deposited on the surface or in the crevices of moist soil or potting media. Eggs hatch in about six days. Larvae feed for 12 to 14 days before changing into pupae. The papal stage may last five to six days. Adults live up to ten days.
So by understanding the life cycle can help to prevent /control this pest from potentially harming your houseplants.
To control fungus gnats, use nematodes. Nematodes are a natural microscopic parasite, a worm that infest over 250 pest soil dwelling insect larvae.
The beneficial nematode Nems (Guardian for Houseplants), controls fungus gnats, black vine weevils, mushroom flies, craneflies, sciarid larvae, thrip and other pest larva in the soil. Check out our 'Get Growing ' blog for instructions on how to apply. The NEMS 5 Million would treat about 53 square feet of pots for smaller houseplant collections.