Thrips ID Workshop Resources

In 2024, a series of hands-on workshops was run to help growers and IPM staff learn how to identify thrips to species. This workshop series was developed and delivered by the Vineland Research and Innovation Centre (Dr. Rose Buitenhuis, Ashely Summerfield), Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA) (Dr. Sarah Jandricic, Cara McCreary), and Agriculture and Agri-Food Canada (AAFC) (Dr. Rose Labbé).

Resources related to this workshop are below.

  1. Thrips ID Workshop Workbook (May 2024 edition)
  2. How-to Videos for Thrips Collection
    1. Building an aspirator:
    2. Plant washing to sample thrips:

Thrips ID Workshop Workbook (May 2024 edition)

How-to Videos for Thrips Collection

Building an aspirator:

Plant washing to sample thrips:

Register By June 6 For Our LAST Thrips ID Workshop at CGC!

Want to learn more about the different thrips that infest greenhouse crops? Want to be able to confidently identify them to species? Interested in how species affects IPM porgrams? Then sign up for our LAST thrips identification workshop!

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Our Popular Thrips Identification Workshop is Adding Another Date!

Our thrips ID workshop in March in Vineland was a smash hit, and the May 16th date in Leamington ON is already full!

So, we’ve decided to add an extra date to accommodate as many growers, IPM professionals and industry reps as possible.

The new date will be in Leamington on May 17th. And remember, there’s always the workshop at the Canadian Greenhouse Conference as well! Read on for what this workshop entails and how to register.

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Thrips Identification Workshop for Growers: Coming to an Ontario Town Near YOU!

It’s no secret that recent outbreaks of thrips species other than western flower thrips (WFT) have made producing greenhouse crops in Ontario harder than usual. This includes species such as onion thrips, Thrips parvispinus, and chrysanthemum thrips.

As control measures are different depending on the thrips species you’re dealing with, the very FIRST step in learning how to manage these pests is proper species identification. If you’re interested in having someone in your greenhouse operation learn how to do this (so you don’t have to rely on government specialists), then keep reading!

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Thrips: Going Dark for Winter

Authors: Dr. S. Jandricic (OMAFRA) and A. Summerfield (Vineland).

It turns out thrips and Sarah have something very important in common – they both like to change up their look depending on the season!

Although you (probably) have no trouble recognizing her with a change of hair colour, different colour morphs within certain thrips species can throw growers for a loop when it comes to identification.

Read on for which thrips like to shake it up seasonally, so you don’t get fooled.

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Thrips Identification

Western flower thrips in pepper flower

Simple Thrips Key for Growers:

This grower-friendly, pictorial key has been developed to make thrips identification easier on-farm. Recently, thrips species other than western flower thrips have become a significant problem in Ontario floriculture greenhouses. Correct identification is the first step to better control.

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