If you have fungus gnats in your houseplants, it's a good idea to learn how to use nematodes. 'Nematodes are an effective form of biological pest control and both professional and home gardeners ...

This week's Master Gardener column includes tips for eliminating gnats from indoor plants as well as advice on when to start ...

After pouring the preparation, the nematodes will enter the bodies of fungus gnats and grubs through spiracles, or openings in their bodies. Within 1-3 days they will begin to produce symbiotic ...