From: Joseph A. Fiola
The Spotted Lanternfly (SLF) is not currently a problem in Maryland but has been verified in Pennsylvania, New Jersey, Delaware and Virginia. Since it is a newly introduced pest, the full impact on vineyards and wine quality potential of this is unclear. What is clear at this early junction is that (1) grapevines are a favorite host of this pest and, (2) its feeding damage coupled with winter cold stress can cause vine death.
Although SLF has not been detected in Maryland, early detection will aid in quarantine and management efforts. Be diligent in scouting for this pest, especially along tree lines. Learn to identify the Tree of Heaven(Ailanthus altissima), its favorite host, and scout for it there.
If you believe you have identified a SLF (please see details below) in Maryland:
- Contact your local University of Maryland Extension Office or the Maryland Department of Agriculture with the location and host ASAP. (MDA (410) 841-5920; DontBug.MD@maryland.gov)
- For confirmation, carefully collect a specimen of all life stages found in a clear rigid container. Freeze to kill or place in an alcohol or vinegar solution (hand sanitizer or white vinegar works well) and submit
specimens to your local extension office or MDA.
- If you cannot collect a specimen, submit a high-quality photograph to your local extension office.
This Timely Viticulture series was created to give growers some background on the SLF and potential management options. Regretfully, it must be stressed from the beginning that because this is a “newly introduced” pest, very little is currently known of its biology, but it has the potential to be a very significant challenge.
As usual with TV, there is a text version to read on line and a printable formatted pdf version for your convenience.
Spotted Lanternfly (SLF) I–Background”
Online article (HTML page): http://extension.umd.edu/learn/spotted-lanternfly-slf-i%E2%80%94background
Downloadable (pdf format): http://extension.umd.edu/sites/extension.umd.edu/files/_docs/articles/TVSLF1.pdf
Spotted Lanternfly (SLF) II – Scouting and Management
Online article (HTML page): http://extension.umd.edu/learn/spotted-lanternfly-slf-ii-scouting-and-management
Downloadable (pdf format): http://extension.umd.edu/sites/extension.umd.edu/files/_docs/articles/TVSLFII.pdf
I hope you find these helpful. As usual it is not a time to panic but we must acutely aware of its potential and be diligent in the identification and scouting of this pest in our vineyards. Please let me know if you have any questions or require additional information. Penn State Extension has a significant team working on garnering information of all aspects of this new pest and we thank them for their effort and sharing.
Thanks and take care, Joe
Joseph A. Fiola, Ph.D.
Specialist in Viticulture and Small Fruit
University of Maryland Extension
Western Maryland Research & Education Center
18330 Keedysville Road
Keedysville, MD 21756-1104
Voice: 301-432-2767 ext. 344