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

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

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

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* 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.

G = granular; D = Drench, S = spray application.

• Aphids on Ornamental Landscape Plants. Frank, S. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Euonymus Scale. Frank, S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Twospotted Spider Mites on Landscape Plants. Frank, S. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Insect and Related Pests of Shrubs. Baker, J. R. ed. 1980. NC Agricultural Extension Service publication AG-189. 199 pp.
• North Carolina Agricultural Chemicals Manual
• NC State Extension Plant Pathology Publications and Factsheets
• NC State Horticultural Science Publications

Find your local N.C. Cooperative Extension county center.

This Insect Note has not been peer reviewed.

* 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. ↲

G = granular; D = Drench, S = spray application.