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Tropical Thrips species intercepted on plant material in Ontario

Increases in global trade, along with decreased use of harsher broad-spectrum pesticides, make it easier for insect species to move around the world. Because of this, it is becoming more common to find usual pests coming in on plant material.

Identifications were confirmed by taxonomists at the Canadian National Collection of Insects, Arachnids, and Nematodes (CNC) at Agriculture and Agri-Food Canada (AAFC) in Ottawa, using DNA barcoding. This level of careful identification is necessary for the first finds of any new species in a country or region to prevent misidentification.  

The Canadian Food Inspection Agency (CFIA) then was notified by CNC-AAFC of the new record. After notification, CFIA determined it was not necessary to take action at this time.

 Control options for T. Parvispinus
If you find T. parvispinus on your farm, there are some control strategies you can implement. Better control of this pest in pepper crops may be achieved with a combination of predatory mites and Orius. Other options for cooler-grown crops could be the predatory bug Dicyphus and the predatory mite Limonicus, both of which operate better at lower temperatures than other natural enemies.

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