Effective Mass Trapping For Summer Thrips, Part 2: Colour, Placement and Duration

Yellow or blue – that is the question. Photo by A. Summerfield.

Part 1 last week covered WHY to trap and WHEN to it’s best to put up your cards. This post goes over trap colour and placement to optimize thrips catches while reducing effects on natural enemies.

Although I’ve talked about this in older posts, I’ve put this data in context of what we know now, in terms of the various thrips species that invade Niagara greenhouses. I’ll also be sharing some data on card duration.

If that isn’t exciting enough for you, next week’s Part 3 will discuss whether or not using lures is worth it to increase thrips catches.

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