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Re: Re: Imidacloprid

In the UK, it's sold as Provado - works well on my Equisetum.



Donna McGraw wrote:
> I've never heard of imidacloprid, Rufino.  Is it sold under a brand name?
> Do you know of a source for it?
> I occasionally have a few brown scales - the kind that look like a tiny
> turtle shell - on my Platys.  I can wash most of the adults away but am
> never sure that I've gotten all the babies.
> Donna McGraw
> Houston where it's a little frosty at the moment
> Rufino writes:
> > Send a sample of the scale to your state agricultural department for
> > exact identification and then research the availability of biological
> > controls available for that particular species of scale. Or use an
> > extremely low toxicity insecticide such as imidacloprid (it is extremely
> > effective against scales, aphids, whiteflies and mealy bugs, including
> > the dreaded root mealy bugs that do so much damage below ground, but its
> > mode of action is such that it is essentially non-toxic to mammals,
> > including, of course, human beings since human beings are mammals). If
> > you are put off by chemicals, bear in mind that imidacloprid is
> > chemically similar to nicotine, a "natural" plant toxin. However, it has
> > two big differences from nicotine: (1) it is far more toxic to insects
> > than nicotine and (2) it is far less toxic to mammals than nicotine.
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