NemAttack – Beneficial Nematodes, Sc: Beneficial Nematodes parasitize a wide variety of common pest insects including the maggot stage of flies. After two weeks, noticeable reductions in target pest populations will occur.

Do nematodes eat flies?

Fruit FliesCorn EarwormCarrot WeevilFungus GnatsCotton BollwormChafers (European, Masked)Leaf MinersCranberry GirdlerCitrus Root Weevil

Do nematodes eat fruit flies?

Beneficial Nematodes are parasitic on fruit fly and fungus gnat larvae. … Beneficial nematodes are microscopic and live below the soil surface. When they come in contact with a pest they attack and release a bacteria that kills the host within 48 hours.