Miles City MT - KMLS
Data is up through September 8, 2026
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2026
Degree Days since Biofix:3695
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:4805
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:3109
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 22, 2026
Degree Days since Biofix:2477
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: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:2071
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 15, 2026
Degree Days since Biofix:1643
Management Action 1 Week Ago:September 3 to September 4 - 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 24, 2026
Degree Days since Biofix:2283
Moth Flight: 64.6% of moths in 3rd generation have emerged
Egg Hatch: 19.5% of moths in 3rd generation have hatched.
Management Action 1 Week Ago:September 1 to September 5 - 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.
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 22, 2026
Degree Days since Biofix:2388
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, 2026
Degree Days since Biofix:2701
Management Action 1 Week Ago:none
Present Management Action:September 8 to September 9 - Continue servicing traps. Adult emergence of the 5th generation of flies is peaking at this time.
Management Action for the Next 3 Weeks:none
For a current Spotted Wing Drosophila summary click here.
Walnut Husk Fly
Biofix: January 1, 2026
Degree Days since Biofix:4191
Management Action 1 Week Ago:August 30 - 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 2026
Degree Days since March:4191
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.