Columbus MT - C9321
Data is up through September 15, 2025
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2025
Degree Days since Biofix:3510
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, 2025
Degree Days since Biofix:4705
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, 2025
Degree Days since Biofix:3062
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: May 4, 2025
Degree Days since Biofix:2340
Moth Flight: -1% of moths in 3rd generation have emerged
Egg Hatch: -1% of moths in 3rd generation have hatched.
Management Action 1 Week Ago:September 7 - Third Generation start of egg hatch.
Continue to keep fruit protected through approximately September 15, and you can stop after that time, even if fruit has not been harvested. By mid-September, there is not enough day length to "signal" any eggs on the fruit to hatch.
Continue to keep fruit protected through approximately September 15, and you can stop after that time, even if fruit has not been harvested. By mid-September, there is not enough day length to "signal" any eggs on the fruit to hatch.
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, 2025
Degree Days since Biofix:2083
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Greater Peachtree Borer summary click here.
Obliquebanded Leafroller
Biofix: June 14, 2025
Degree Days since Biofix:1837
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Obliquebanded Leafroller summary click here.
Peach Twig Borer
Biofix: May 28, 2025
Degree Days since Biofix:2133
Moth Flight: 35.6% of moths in 2nd generation have emerged
Egg Hatch: 4.7% of moths in 2nd generation have hatched.
Management Action 1 Week Ago:none
Present Management Action:September 16 to September 22 - Begin protection for egg hatch (5% - 16%) third summer generation. Pick the date in this range depending on your pest pressure. Continue protection of fruit until harvest or until September 15, whichever is earlier.
Management Action for the Next 3 Weeks:September 22 to September 27 - Begin protection for egg hatch (5% - 16%) third summer generation. Pick the date in this range depending on your pest pressure. Continue protection of fruit until harvest or until September 15, whichever is earlier.
For a current Peach Twig Borer summary click here.
San Jose Scale
Biofix: May 4, 2025
Degree Days since Biofix:2250
Males: -1% of adult males in 2nd generation have emerged.
Crawlers: -1% of crawlers in 2nd generation have emerged.
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, 2025
Degree Days since Biofix:2536
Management Action 1 Week Ago:September 10 to September 11 - Continue to keep fruit protected with insecticides if spotted wing has been confirmed on your fruit farm.
Peak egg-laying by 4th generation flies is now occurring.
Peak egg-laying by 4th generation flies is now occurring.
Present Management Action:none
Management Action for the Next 3 Weeks:October 8 to October 13 - Continue servicing traps. Adult emergence of the 5th generation of flies is peaking at this time.
For a current Spotted Wing Drosophila summary click here.
Walnut Husk Fly
Biofix: January 1, 2025
Degree Days since Biofix:4052
Management Action 1 Week Ago:September 11 - Adult emergence ends.
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 2025
Degree Days since March:4052
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.