This information was developed for North Carolina and may not be applicable for other area. Please click on the thumbnail to enlarge it, if necesary.
* 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; S=Spray application.
- Aphids on Ornamental Landscape Plants. Frank, S. 2009. Entomology Insect Notes, NC State Extension Publications.
- Green Apple Aphid / Spirea Aphid. Walgenbach, J. 2015. NC State Extension Publications.
- Lace Bugs, Frank, S. D. and S. Bambara. 2009 (revised). Entomology Insect Notes. NC State Extension Publications.
- Leaf Crumpler. Baker, J. R. 2017. PDIC Factsheets, NC State Extension Publications.
- Southern Red Mite and Spruce Spider Mite. Frank, S. et al. 2011. Entomology Insect Notes, NC State Extension Publications.
- Woolly Apple Aphid on Ornamentals. Baker, J. R. 2013. PDIC Factsheets, 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 Cooperative Extension Center.
This Insect Note has not been peer reviewed.
Publication date: Jan. 30, 2019
Revised: Oct. 11, 2019
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