Gnats

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Bild034.jpgThere are what must be millions of sciarids (fungus gnats) living in my plants' flower pots, most of them in my dracaena's pot, but it looks as if they are now also spreading to my chili plant pots.

I have been using yellow sticky boards with good success, catching thousands of them (see picture of last week's catch), but there seem to be more and more of them flying around, to an extent where I am afraid they might be taking over my living room.

Clearly, something needs to be done about them. 

Throwing out the dracaena seems unnecessarily harsh. Insecticide would be an option, but as I would like to be able to eat my chilies, I am hesitant to use it. When looking out for biological alternatives, I came across a local shop that sells nematodes (roundworms), which apparently eat sciarid larvae. The shop sells them in handy packages of 5 million, 10 million or 50 million worms at fairly reasonable prices of €12, €21.60 or €48 respectively.

Me, the master of 50 million worms? I am tempted.

4 Comments

So, do the sciarid larvae live in the soil, and is that where the nematodes eat them? How large do these particular nematodes get?

In the US it's common for a "drugstore," (term used interchangeably with "pharmacy") to sell insecticide products such as Raid, (there's a Raid that kills flying insects such as gnats). I, myself, never buy these products, but I see them; perhaps that's the connection.

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