David Pilling via pbs
Sun, 17 Jan 2021 06:40:40 PST

Mosquito dunks have come up several times on this list in the past as a 
solution to fungus gnats:…

On 17/01/2021 13:03, Johannes-Ulrich Urban via pbs wrote:
> Dear All,
> A friend reminded me that specific  nematodes are an efficient and environmental friendly way to fight sciaridae. The advantage is that they actively move towards the larvae. But the nematodes are relatively fragile and need the right conditions during transport, storage and application to work well. I used them successfully in Germany but do not know if they are available in the USA.
> Bye for now
> Uli
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