Thrips/TSWV Western San Joaquin Co.

April 15, 2026 updateGeneral background: Just like last year, we are a little slow getting off the mark with our updates this year.  The UC ANR web platform is still giving us issues and we’ll be reporting thrips development here, at least for the start of this season . Thrips development…

General Situation Despite relatively high thrips counts in some areas, TSWV incidence remains low generally.  Planting finally wrapped up in the last couple of weeks and younger crops will remain susceptible to economic damage until fruit set.  Temperatures over the next 10 days are set to hover…

May 23, 2025 UpdateGeneral Situation: Daily high temperatures will be sitting between the mid 70s and 90F over the next 10 days.  These are ideal conditions for thrips development.Thrips development: Generation 3 adults will reach their peak numbers around May 30th.  Generation 4 will be…

General Situation: Daily high temperatures will be swinging between the low 70s and high 80s F over the next 10 days.  These are ideal conditions for thrips development. Monday May 5th will be hot and breezy with peak wind speeds between 20 and 25mph.Thrips development: Generation 2 adults will reach…

General background We are a little slow getting off the mark with our updates this year.  The UC ANR web platform was changed in the last month and we're having some issues migrating the old website and blogs over to the new platform.  In the meantime we're using this web hosting platform…