Corvallis MT - COVM
Data is up through September 16, 2025
Growing Degree Days since January 1:
Apple Maggot
Biofix: January 1, 2025
Degree Days since Biofix:2983
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:4107
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:2631
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 7, 2025
Degree Days since Biofix:1934
Moth Flight: 1.7% of moths in 2nd generation have emerged
Egg Hatch: 91.7% of moths in 2nd generation have hatched.
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:October 12 to October 13 - 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.
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:1909
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:1604
Management Action 1 Week Ago:September 12 to September 14 - 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: June 7, 2025
Degree Days since Biofix:1653
Moth Flight: 99.7% of moths in 2nd generation have emerged
Egg Hatch: 87.3% of moths in 2nd generation have hatched.
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 7, 2025
Degree Days since Biofix:1818
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:2106
Management Action 1 Week Ago:none
Present Management Action:none
Management Action for the Next 3 Weeks:September 28 to October 3 - Continue servicing traps. Adult emergence of the 4th 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:3474
Management Action 1 Week Ago:September 11 - 90% of adults have emerged.September 14 - 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:none
For a current Walnut Husk Fly summary click here.
Western Cherry Fruit Fly
Biofix: Not established yet for 2025
Degree Days since March:3474
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.