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:

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: 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.

Continue reading “Thrips: Going Dark for Winter” →

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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Tropical Thrips Species Intercepted on Plant Material in Ontario: Be Aware – But Don’t Panic.

Written by: SARAH JANDRICIC, GREENHOUSE FLORICULTURE IPM SPECIALIST, OMAFRA

Figure 1. Thrips parvispinus is generally dark coloured (though the head and thorax can be lighter than the abdomen), has bright red ocelli and clear patches at the top of its wings.
Continue reading “Tropical Thrips Species Intercepted on Plant Material in Ontario: Be Aware – But Don’t Panic.” →