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  #1  
Old 06-21-2022, 02:00 PM
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Default Spider Mites

A link to an article from Purdue about spider mites.

Spider Mites on Ornamentals
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  #2  
Old 08-28-2022, 11:08 AM
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Another spider mite article, courtesy of Isurus79...

https://extension.msstate.edu/sites/...007/bw0507.pdf

Along with a recommendation from him when looking for a bigger gun for spider mites: "Bayer 3 in 1 is probably the easiest to find pesticide containing imidacloprid, which is super effective against mites."

The struggle is real with these Catasetum spider mite magnets.

Last edited by WaterWitchin; 08-28-2022 at 11:16 AM..
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  #3  
Old 08-28-2022, 02:43 PM
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The article from Isurus79 and other articles, including the one I included below (in the application tips section), state that imidacloprid treatment can cause mite populations to increase, often at a very fast rate. This is especially frequent with the Two Spotted Spider Mite, but has also been observed in other mite species. The Bayer 3 in 1 has another ingredient that targets mites. Imidacloprid by itself can exacerbate a mite problem!

Pesticide Information about imidacloprid - UC IPM
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  #4  
Old 08-28-2022, 03:02 PM
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Mites rapidly become resistant to pesticides. Effective products need to be rotated frequently if used at all. Mechanical means of control do not lose effectiveness with time.
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  #5  
Old 08-28-2022, 03:33 PM
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Bifenthrin is a miticide.
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  #6  
Old 08-27-2024, 08:27 AM
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Bayer 3 in 1 took out my mites instantly. Had infestation in greenhouse, all orchids affected along with many other tropicals. Snake plant had it the worst. I must say after just one treatment I do not even see any sign of them over a month now. I really like Bayer products for all aspects of gardening.
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Old 08-27-2024, 01:23 PM
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I only have 3 catasetums so it'd easy for me to manage the best on them. I find weekly hosing down the leaf or wiping it does the job better than insecticides
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Old 08-28-2024, 12:59 AM
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I've currently got a mite infestation and I don't think they are spider mites. There is no webbing at all, they are tiny and red/orange. A little research has turned up the existance of flat mites or false spider mites, some even specifically called orchid mites. I bought 2,000 of the predatory mite Neoseiulus californicus from Arbico which I just applied today, fingers crossed they will eat them, whatever they are.
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Old 08-28-2024, 08:06 AM
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Just curious where are you releasing them. In a greenhouse, outside, inside? Definitely looks interesting these biological controls, although a little pricey. I guess if they work the price isn't bad at all. I am intrigued about the beneficial fungi and bacteria.
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Old 08-28-2024, 02:06 PM
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FYI: predatory insects aren’t sold intending to be a complete cure (regardless of what the seller says). They’re a management strategy that, included in an IPM program, can keep pest levels below the economically-damaging threshold. I’ve both seen and used other beneficial insects in greenhouses and they’re typically applied monthly throughout the season.
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