Controlling Parvispinus, Oleander Aphid and Spider Mites in Mandevilla: Part 2 – Spider Mite Resistance Management.

Last week, I posted an updated IPM plan for Mandevilla that balances Thrips parvispinus (“Parvi”) control while taking into consideration other pests, as well as costs. The last post covered propagation in detail, including biocontrols and chemicals.

This week I’ll be going over the best way to balance control of Thrips parvispinus (“Parvi”) and two-spotted spider mite (TSSM) in production. I’ll provide a working Parvi spray program that gives you high-quality plants by sale, but also makes sure spider mites don’t walk away with your crop (or your wallet!).

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Lewis Mites 2025 – a Poinsettia Problem that’s Here to Stay?

*Lewis mite damage on poinsettia. Photo by OMAFA.*

Let’s face it: although Lewis mites (Eotetranychus lewisi) used to be more of a cyclical pest, this mite has been consistently bad in poinsettia the last few years. As regular Lewis mite infestations now seem to be the new normal in poinsettia, this week is the time to to start thinking about your pest control plan for Lewis mite.

Whether you choose the preventive route or the wait-and-see approach, knowing which strategies and chemicals are working is critical. Read on for tips on dipping to prevent mites along and what we learned from last year‘s chemical approaches.

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Battling Broad Mite in Spring Crops

Broad mite, *Polyphagotarsonemus latus*. Photo credit: USDA BARC

Broad Mites (Polyphagotarsonemus latus) seem to be a regular occurrence nowadays in spring crops, especially Reiger begonias and New Guinea impatiens. Other crops that are commonly affected include torenia, exacum, ipomea and gerbera.

Broad mite are often difficult to detect and control. Read on for tips on monitoring and the latest management strategies for this pest.

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Battling Broad Mite in Spring Crops

I’ve hearing a lot lately about Broad Mites (Polyphagotarsonemus latus) in spring crops, especially Reiger begonias and New Guinea impatiens. Other crops that are commonly affected include torenia, exacum, ipomea and gerbera.

Broad mite are often difficult to detect and control. Read on for tips on monitoring and the latest management strategies for this pest.

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Banishing Broad Mite – New post in Floriculture IPM Blog

I’ve been getting a lot of calls lately about Broad Mites (Polyphagotarsonemus latus) in crops like New Guinea impatiens, torenia, begonias, exacum, ipomea and gerbera. Broad mite can also attack chrysanthemums, so it’s time to start thinking about control of this pest as you’re sticking your new cuttings. Read on for tips on monitoring and control.

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