A Simplified Key to Pest Thrips of Ontario

This is a simplified key covering the most common thrips species found in Ontario floriculture and vegetable greenhouses.  It is intended to be used by growers and IPM practitioners.

Key to important thrips pests of Ontario greenhouses 2018

Please note that this key does not include all thrips species found in Ontario.

For more information on thrips biology and management, please visit the main thrips page