Columbus MT - C9321
Data is up through September 29, 2026
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2026
Degree Days since Biofix:4143
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Apple Maggot summary click here.
Billbugs
Biofix: January 13, 2026
Degree Days since Biofix:5481
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Billbugs summary click here.
Cereal Leaf Beetle
Biofix: May 6, 2026
Degree Days since Biofix:3405
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Cereal Leaf Beetle summary click here.
Codling Moth - Trap Biofix
Biofix: April 21, 2026
Degree Days since Biofix:2658
Moth Flight: Moth Flight is over for the season
Egg Hatch: Egg Hatch is over for the season
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Codling Moth - Trap Biofix summary click here.
Fire Blight
*This model only applies when trees are in bloom.
Greater Peachtree Borer
Biofix: January 1, 2026
Degree Days since Biofix:2388
Management Action 1 Week Ago:September 23 to September 28 - Moth flight winds down at this time, protection of trunks/roots should carry through mid to late September.
Present Management Action:September 29 to October 6 - Moth flight winds down at this time, protection of trunks/roots should carry through mid to late September.
Management Action for the Next 3 Weeks:October 6 to October 27 - Moth flight winds down at this time, protection of trunks/roots should carry through mid to late September.
For a current Greater Peachtree Borer summary click here.
Obliquebanded Leafroller
Biofix: June 9, 2026
Degree Days since Biofix:2152
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:October 23 to October 27 - Egg hatch of second generation ends.
For a current Obliquebanded Leafroller summary click here.
Peach Twig Borer
Biofix: May 24, 2026
Degree Days since Biofix:2448
Moth Flight: Moth Flight is over for the season
Egg Hatch: Egg Hatch is over for the season
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Peach Twig Borer summary click here.
San Jose Scale
Biofix: April 21, 2026
Degree Days since Biofix:2558
Males: Adult Males is over for the season
Crawlers: Crawlers is over for the season
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current San Jose Scale summary click here.
Spotted Wing Drosophila
Biofix: January 1, 2026
Degree Days since Biofix:2932
Management Action 1 Week Ago:none
Present Management Action:October 3 to October 6 - Continue to keep fruit protected with insecticides if spotted wing has been confirmed on your fruit farm.
Peak egg-laying by 5th generation flies is now occurring.
Peak egg-laying by 5th generation flies is now occurring.
Management Action for the Next 3 Weeks:October 6 - Continue to keep fruit protected with insecticides if spotted wing has been confirmed on your fruit farm.
Peak egg-laying by 5th generation flies is now occurring.
Peak egg-laying by 5th generation flies is now occurring.
For a current Spotted Wing Drosophila summary click here.
Walnut Husk Fly
Biofix: January 1, 2026
Degree Days since Biofix:4758
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Walnut Husk Fly summary click here.
Western Cherry Fruit Fly
Biofix: Not established yet for 2026
Degree Days since March:4758
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Western Cherry Fruit Fly summary click here.