August:  Apple maggot fly - resuming trap counts toward threshold

Background Information for this page
Return to Apple list for Westhampton MA
Weather data for Westhampton MA.  Forecast values begin October 3, 2018
Estimated date for 50% adult AM emergence & trap captures:   July 26, Thursday
 Peak weekly AM trap captures:   July 31, Tuesday
98% adult AM emergence & trap captures:    August 15, Wednesday
AM emergence and cumulative trap catch dates are only general guidelines
 because local soil type and soil moisture conditions that affect emergence are not included in the calculation.
Full-dose
Apple Maggot insecticide application date
Estimated % cumulative apple maggot trap captures Inches Rain Rough guess at date to clean apple maggot fly traps and count from zero
 to compare against threshold for respray decision.
Product names in red letters have "Good" rating vs. apple maggot. 
Product names in blue letters have a "Fair" rating.
Apple Maggot Emergence after Depletion for Respray Timing
Imidan
1.5" rain days 1-7, 1.0" rain days 8-14.
Assail
1.0" rain
 days 1-14.
Pyrethroids
1.0" rain
days 1-10.
Delegate, Sevin
2.0" rain days 1-6, 0.5" rain day 7-10.
Avaunt, Exirel
1.0" rain days 1-6, 0.5" rain day 7-10.
Wed, August 1    64% 0.76   August 4, Sat    August 3, Fri    August 3, Fri    August 4, Sat    August 3, Fri 
Thu, August 2    67% 0.52   August 4, Sat    August 4, Sat    August 4, Sat    August 7, Tue    August 4, Sat 
Fri, August 3    69% 0.79   August 7, Tue    August 4, Sat    August 4, Sat    August 8, Wed    August 4, Sat 
Sat, August 4    72% 1.2   August 9, Thu    August 8, Wed    August 8, Wed    August 10, Fri    August 8, Wed 
Sun, August 5    75% 0   August 9, Thu    August 8, Wed    August 8, Wed    August 11, Sat    August 8, Wed 
Mon, August 6    78% 0   August 9, Thu    August 8, Wed    August 8, Wed    August 11, Sat    August 8, Wed 
Tue, August 7    81% 0.79   August 11, Sat    August 11, Sat    August 11, Sat    August 12, Sun    August 11, Sat 
Wed, August 8    84% 0.6   August 13, Mon    August 11, Sat    August 11, Sat    August 13, Mon    August 11, Sat 
Thu, August 9    86% 0.14   August 13, Mon    August 11, Sat    August 11, Sat    August 14, Tue    August 11, Sat 
Fri, August 10    89% 0.05   August 13, Mon    August 12, Sun    August 12, Sun    August 14, Tue    August 12, Sun 
Sat, August 11    91% 0.97   August 14, Tue    August 14, Tue    August 14, Tue    August 14, Tue    August 14, Tue 
Sun, August 12    93% 0.3   August 14, Tue    August 14, Tue    August 14, Tue  AM >98% done   August 14, Tue 
Mon, August 13    96% 0.59 AM >98% done   August 14, Tue    August 14, Tue      August 14, Tue 
Tue, August 14    >98% 1.15   AM >98% done AM >98% done   AM >98% done