First catch through July:   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 September 18, 2018
     Rough estimate for first apple maggot fly trap capture:   Saturday, June 30.
   Estimated 5% AM adult emergence:   July 9, Monday.
       Estimated 50% AM emergence & trap captures:   July 26, Thursday.
       Estimated 98% AM emergence & trap captures:   August 15, Wednesday.
AM cumulative trap catch dates are only general guidelines
 because local soil type and soil moisture conditions that affect emergence are not accounted for.
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. 
Products in blue letters have a "Fair" rating.
Apple maggot emergence AFTER depletion date to help optimize respray interval.
Imidan
1.5" rain days 1-7, 1.0" rain days 8-14.
Assail
1.0" rain
 days 1-14.
Pyrethroids (except Asana)
1.0" rain
days 1-10.
Delegate or Sevin
2.0" rain days 1-6, 0.5" rain day 7-10.
Avaunt, Asana, Exirel
1.0" rain days 1-6, 0.5" rain day 7-10.
Sat, June 30    < 1% 0   July 14, Sat    July 14, Sat    July 10, Tue    July 10, Tue    July 10, Tue 
Sun, July 1    < 1% 0   July 15, Sun    July 15, Sun    July 11, Wed    July 11, Wed    July 11, Wed 
Mon, July 2    < 1% 0   July 16, Mon    July 16, Mon    July 12, Thu    July 12, Thu    July 12, Thu 
Tue, July 3    < 1% 0   July 17, Tue    July 17, Tue    July 13, Fri    July 13, Fri    July 13, Fri 
Wed, July 4    < 1% 0   July 17, Tue    July 17, Tue    July 14, Sat    July 14, Sat    July 14, Sat 
Thu, July 5    < 1% 0   July 17, Tue    July 17, Tue    July 15, Sun    July 15, Sun    July 15, Sun 
Fri, July 6    < 1% 0.19   July 17, Tue    July 17, Tue    July 16, Mon    July 16, Mon    July 16, Mon 
Sat, July 7    1% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 16, Mon    July 16, Mon 
Sun, July 8    3% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 16, Mon    July 16, Mon 
Mon, July 9    6% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 16, Mon    July 16, Mon 
Tue, July 10    9% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 16, Mon    July 16, Mon 
Wed, July 11    11% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Thu, July 12    13% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Fri, July 13    16% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Sat, July 14    18% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Sun, July 15    21% 0.22   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Mon, July 16    24% 0   July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue    July 17, Tue 
Tue, July 17    27% 2.28   July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon 
Wed, July 18    29% 0   July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon 
Thu, July 19    31% 0   July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon 
Fri, July 20    33% 0   July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon 
Sat, July 21    35% 0   July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon    July 23, Mon 
Sun, July 22    38% 0.98   July 25, Wed    July 23, Mon    July 23, Mon    July 25, Wed    July 23, Mon 
Mon, July 23    41% 1.31   July 26, Thu    July 25, Wed    July 25, Wed    July 27, Fri    July 25, Wed 
Tue, July 24    44% 0.18   July 26, Thu    July 26, Thu    July 26, Thu    July 27, Fri    July 26, Thu 
Wed, July 25    46% 0.85   August 1, Wed    July 27, Fri    July 27, Fri    July 31, Tue    July 27, Fri 
Thu, July 26    49% 0.96   August 2, Thu    August 1, Wed    August 1, Wed    August 1, Wed    August 1, Wed 
Fri, July 27    52% 0.43   August 3, Fri    August 2, Thu    August 2, Thu    August 2, Thu    August 2, Thu 
Sat, July 28    54% 0   August 3, Fri    August 2, Thu    August 2, Thu    August 3, Fri    August 2, Thu 
Sun, July 29    56% 0   August 3, Fri    August 2, Thu    August 2, Thu    August 3, Fri    August 2, Thu 
Mon, July 30    59% 0   August 3, Fri    August 2, Thu    August 2, Thu    August 3, Fri    August 2, Thu 
Tue, July 31    61% 0   August 3, Fri    August 2, Thu    August 2, Thu    August 3, Fri    August 2, Thu