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

* 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.
D = Drench, G = granular; S = Spray application.

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

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

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• Asiatic Garden Beetle. Baker, J. R. 2022 (revised). PDIC Factsheets, NC State Extension Publications.
• Bagworms in Ornamental Landscapes. Frank, S. and J. Baker. 2019 (revised)Entomology Insect Notes, NC State Extension Publications.
• Black Vine Weevil. Frank, S. et al. 2020 (revised). Entomology Insect Notes, NC State Extension Publications.
• Hemlock Rust Mite. Baker, J. R. 2019. PDIC Factsheets, NC State Extension Publications.
• Hemlock Woolly Adelgid. Frank, S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• Pales Weevil. Baker, J. R. 2019. PDIC Factsheets, NC State Extension Publications.
• PIne Spittlebug. Baker, J. 2019 (revised). PDIC Factsheets, NC State Extension Publications.
• Southern Red Mite and Spruce Spider Mite. Frank S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
• White Grubs in Turf. Brandenburg, R. and T. Billeisen. 2022 (revised). TurfFiles, 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
• Extension Plant Pathology Publications and Factsheets
• Horticultural Science Publications

Find your local N.C. State 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This insect note has not been peer reviewed.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. ↲