University of California
TSWV Field Risk Index and Thrips Projections
Yolo/Colusa
Weather situation
Thrips population status
2024 4th report (April 17th)
General situation The colder weather has delayed thrips population development by a few days, but overall the outlook hasn't changed much from last report. The oldest tomatoes have been in ground for more than a month, and planting is progressing...
2024 3rd report (April 3)
General situation, thrips population development Temperatures and precipitation this spring are close to historic norms, and the thrips population predictions remain similar to last update. We're currently at the peak of 1st-generation adults; they'll...