Weather data for Monmouth ME. Forecast values begin May 23, 2013

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 10

Optimum monitoring period for 1st generation ERM:
Sunday, May 26 (Petal Fall)
to Sunday, June 9 (early adults ready to lay eggs for 2nd generation)

Optimum monitoring period for 2nd generation ERM:
Sunday, June 23 (nymphs hatched)
to Sunday, June 30 (egglaying starts for 3rd generation)

Optimum monitoring period for 3rd ERM generation is:
Wednesday, July 10 (nymphs hatched)
to Friday, July 19 (egglaying starts for 4th generation)