This information was developed for North Carolina and may not apply to other areas.

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Table Legend

* Degree of importance of pest: I = Important pest, high probability of occurrence; II = Treat as needed; III = Occasional pest, treat when detected.

** Number of applications needed for most effective control. It is usually best to wait 10 to 14 days between applications in cool weather and 7 to 10 days between applications in warm weather.

I = Pesticide injection; S=Spray application.

The Oak Pest Management Calendar gives approximate dates for pest emergence.

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The Oak Pest Management Calendar gives approximate dates for pest emergence.

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• Carpenterworm. Frank, S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Galls on Oaks. Frank, S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Horticultural Oils for Ornamental Plants. Frank, S. et al. 2023 (revised). Entomology Insect Notes, NC State Extension Publications.
• Lecanium Scale Insects. Frank, S.and J. R. Baker. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Orangestriped Oakworm. Frank, S.and S. Bambara. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Extension Plant Pathology Publications and Factsheets
• Horticultural Science Publications
• North Carolina Agricultural Chemicals Manual

For assistance with a specific problem, contact your local N.C. Cooperative Extension Center.

This Insect Note has not been peer reviewed.

The Oak Pest Management Calendar gives approximate dates for pest emergence.

* Degree of importance of pest: I=Important pest, high probability of occurrence, II=Treat as needed: III=Occasional pest, treat when detected. ↲

** Number of applications needed for most effective control. It is usually best to wait 10 to 14 days between applications in cool weather and 7 to 10 days between applications in warm weather. ↲