In houseplants, they will multiply unless you treat using an insecticide, glue trap or let the soil dry in between waterings. Important: Gnatrol WDG should not be injected in combinations with fertilizers or fungicides containing copper or chlorine, as this may neutralize the active ingredients. Come join the discussion about breeding, health, behavior, housing, terrariums, adopting, care, classifieds, and more! A LD50 study (by definition is going to kill half the test animals) is not an appropriate indicator for health effects if a normal dosage is expected. In situations where all life forms (eggs, larvae, pupae and adults) are present, such as with existing infestations, make three (3) weekly applications at the suggested range rate for heavy infestations.

I still see and squash one or two gnats every few days, but the problem seems to be a lot more under control.I live in apartment and I have about 46 plants and the pretty annoying gnat problem I've tried the wine vinegar drying out my soil putting dish soap in the water some kind of bug killer spray for plants I bought and I just most recently bought bti mosquito bits from Home Depot I sprinkled them in my plants and I put some in my water for watering the plants.

Bacillus thuringiensis subspecies israelensis strain AM 65-52 solids, spores and insecticidal toxins 37.My hope is that eventually I'll go weeks without seeing one gnat, and then I'll finally be able to properly repot and fertilize this plant and hopefully see it grow again. At 75ºF, eggs hatch in about 3 days, the larvae take approximately 10 days to develop into pupae, and about 4 days later the adults emerge. Use Gnatrol WDG Biological Larvicide in greenhouses where protection against fungus gnat larvae is necessary. They especially threaten seedlings and immature plants and can even cause massive plant death in severe infestations.