What do fungus gnat larvae look like?

Fungus Gnat Larvae. Fungus gnat females lay small, yellowish-white eggs on the surface of moist soil. The larvae that hatch are legless, with white or transparent bodies and shiny black heads. Fully grown, larvae measure approximately 1/4 inch in length.Click to see full answer. Beside this, can you see fungus gnat larvae?Larvae have a small, black head and a thin, white or see-through body. Activity: Fungus gnats tend to spend most of their time on the soil surface of potted plants, but they may be seen flying around the outer edge of the pot or near drainage holes as well.Secondly, how long do fungus gnat larvae live? Adults live about one week and lay up to 300 eggs in rich, moist soils. Within 4-6 days tiny larvae emerge and begin feeding on plant roots during their two week period. The pupal stage lasts 3-4 days before young adults leave the soil and begin the next generation. Also to know, how do you kill fungus gnat larvae? Water your plant with a mixture of one part hydrogen peroxide and four parts water. The solution will kill the larvae, but is harmless to your plant. Reapply the hydrogen peroxide solution once a week until you see that the fungus gnats are gone. Place yellow sticky traps near the infested plant.Will hydrogen peroxide eradicate fungus gnats?Mix one part 3% hydrogen peroxide with four parts water. Allow the top layer of your soil to dry, and then water your plants with this solution as you normally would. The soil will fizz for a few minutes after application; this is normal. Contact with hydrogen peroxide will kill fungus gnat larvae on contact.