Background Information for this page
Return to Apple list for Easthampton MA
Weather data for Easthampton MA.  Forecast values begin May 25, 2018
Key Dates for European Red Mites

Estimated hatch date of overwintered European red mite (ERM) eggs
and decline in efficacy of suppression by prebloom oil is
Friday, May 4
Optimum monitoring period for 1st generation ERM: 
  Thursday, May 17 (Petal Fall)
to  Wednesday, May 23 (early adults ready to lay eggs for 2nd generation)
Optimum monitoring period for 2nd generation ERM: 
  Tuesday, June 5 (nymphs hatched)
to  Tuesday, June 12 (egglaying starts for 3rd generation)
Optimum monitoring period for 3rd ERM generation is: 
  Friday, June 22 (nymphs hatched)
to  Thursday, June 28 (egglaying starts for 4th generation)