Miles City MT - KMLS
Data is up through August 28, 2025
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2025
Degree Days since Biofix:3203
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:4252
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:2756
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 3, 2025
Degree Days since Biofix:2152
Moth Flight: 14.6% of moths in 2nd generation have emerged
Egg Hatch: Egg Hatch is over for the season
Management Action 1 Week Ago:August 25 to August 27 - Second Generation end of egg hatch.
Your last spray should protect fruit up until this date.
Your last spray should protect fruit up until this date.
Present Management Action:August 28 to August 31 - 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: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:1997
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:September 21 to September 25 - 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 13, 2025
Degree Days since Biofix:1656
Management Action 1 Week Ago:August 24 to August 25 - Second generation egg hatch begins; apply treatment now if necessary.
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 27, 2025
Degree Days since Biofix:1913
Moth Flight: 6.3% of moths in 2nd generation have emerged
Egg Hatch: Egg Hatch is over for the season
Management Action 1 Week Ago:August 27 - End sprays for second summer generation. (Egg hatch ends)
Present Management Action:none
Management Action for the Next 3 Weeks:September 11 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.
For a current Peach Twig Borer summary click here.
San Jose Scale
Biofix: May 3, 2025
Degree Days since Biofix:2062
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:2342
Management Action 1 Week Ago:August 21 to August 22 - Continue servicing traps. Adult emergence of the 4th generation of flies is peaking at this time.
Present Management Action:September 3 to September 4 - 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.
Management Action for the Next 3 Weeks:September 4 - 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.
For a current Spotted Wing Drosophila summary click here.
Walnut Husk Fly
Biofix: January 1, 2025
Degree Days since Biofix:3665
Management Action 1 Week Ago:August 20 - Larvae begin exiting the host fruits or nuts to drop to the ground to pupate.
Present Management Action:none
Management Action for the Next 3 Weeks:September 8 - Adult emergence ends.
For a current Walnut Husk Fly summary click here.
Western Cherry Fruit Fly
Biofix: Not established yet for 2025
Degree Days since March:3665
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.