Best molecule to fight spider mites

[rbarata]

Here in te EU, the most efficient pesticides are controlled substances and can onçy be bought and used by a qualified person (which I am not).

I have found that a friend of mine has all the necessary authorizations to buy those products, but since the ones I used to apply were prohibited, at this moment I really don't know what is the best product to use on orchids.

So, what is the best active ingredient against spider mites?

Thank you!

[Roberta]

Can you get anything in the Pyrethrin class? I use bifenthrin, which is sold primarily for termites, but it's rated for spider mites also.

[estación seca]

Dihydrogen oxide will kill them, including eggs, but it needs regular applications to all plants surfaces.

[Roberta]

That will require submerging the plant, I think, to keep enough of it for long enough on the undersides of the leaves where the beasties hang out.

[estación seca]

No, you just spray the entire plant every now and then, being sure to spray under the leaves. It's the only thing I use to control them. There are spider mites outside in my landscape all the time. If I'm gone for a while and return to a plant with a severe attack I use alcohol, but not for regular treatment.

[Ray]

Sucrose octanoate esters

[rbarata]

I have found an old and unused package of something based on Deltamethrin.
Not sure if this is a good one.

[Roberta]

Found this information on Deltamethrin... it does seem to be a miticide as well as insecticide.

Deltamethrin Technical Fact Sheet.