Thinking ahead: What you can do THIS WEEK to prevent Lewis mite damage in your poinsettias.

2016 turned out to be a bad year for Lewis mite (Eotetranychus lewisi) in poinsettia.  Although it’s too early to say how 2017 is going to go, you should be considering possible preventative measures THIS WEEK for Lewis mite, especially if you have a history of Lewis mite with your cuttings. Treatment of this pest is more difficult later in the crop (though not impossible).  Keep reading for biological and chemical control options for this pest.

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Lewis mite, a species of spider mite, can cause major crop losses if left uncontrolled.

Continue reading “Thinking ahead: What you can do THIS WEEK to prevent Lewis mite damage in your poinsettias.”

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Lots and Lots of Lewis mites! (And how to go about controlling them in poinsettia).

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Lewis mite.  Photo from University of California.

You know how I just wrote a post on how you need to look out for unprecedented mealybug infestations in your crop this year?  Well I lied!  Now you need to look out for mealybug AND unusually high numbers of Lewis mites!

Read further for what consultants have been seeing out in the greenhouse and for effective control strategies.

Continue reading “Lots and Lots of Lewis mites! (And how to go about controlling them in poinsettia).”