Category: Thrips parvispinus

MSU Webinar: “The Trouble with Tropicals” – March 16th

The recent boom in tropical plant production over the past few years means growers are encountering different and more challenging pests in greenhouses. Please join me and Judy Colley (Biological Technical Rep for Plant Products) for an upcoming webinar with Michigan State University Extension, where we talk about how to manage the “usual suspects” on various tropicals, as well as some of the more unique problems!

Keep reading for more information on registration.

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

This post was co-written by A. Summerfield (Vineland Research and Innovation Centre) and S. Jandricic.

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.

Increases in global trade, along with decreased use of harsher broad-spectrum pesticides makes it easier for insect species to move around the world. Because of this, it is becoming more common to find unusual pests coming in on plant material. It’s important that we are prepared and know what to do when something like a new thrips species makes an appearance.

The tropical thrips species Thrips parvispinus has been popping up in various parts of the globe in recent years and was intercepted on plant material in two Ontario greenhouses in 2021/2022. Read on to learn what we know about this species and what you should do if you suspect you have them.

Continue reading “Tropical Thrips Species Intercepted on Plant Material in Ontario: Be Aware – But Don’t Panic.” →