Helena MT - E5549
Data is up through December 12, 2025
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2025
Degree Days since Biofix:3452
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:4910
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:3134
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 10, 2025
Degree Days since Biofix:2194
Moth Flight: Moth Flight is over for the season
Egg Hatch: Egg Hatch is over for the season
Management Action 1 Week Ago:December 4 to December 11 - 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:December 12 to December 19 - 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.
Management Action for the Next 3 Weeks:December 19 to January 9 - 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.
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:2212
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 25, 2025
Degree Days since Biofix:2203
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: June 7, 2025
Degree Days since Biofix:1968
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: May 10, 2025
Degree Days since Biofix:2085
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, 2025
Degree Days since Biofix:2383
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:none
For a current Spotted Wing Drosophila summary click here.
Walnut Husk Fly
Biofix: January 1, 2025
Degree Days since Biofix:4090
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 2025
Degree Days since March:4090
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.