289: How Spotted Lanternfly Puts Grapes at Risk—and What Growers Can Do
Update: 2025-11-06
Description
Spotted lanternfly (SLF) is more than a nuisance, it poses a serious risk to vineyards. Brian Walsh, Extension Educator and Spotted Lanternfly Researcher with Penn State Extension, explains how this invasive insect threatens grapes across the eastern U.S. From unusual egg-laying behavior to honeydew-covered canopies that attract stinging insects, Walsh explores why vineyards are especially at risk and how growers can prepare during peak pressure in September. Learn about insecticide options, biocontrol efforts, and scouting strategies—whether SLF is in your area or not.
Resources:
- 96: Spotted Lanternfly - Threat to California
- 175: How to Prepare for Invasive Pests in Your Vineyard
- An Introduction to the Invasive Spotted Lanternfly:Webinar on April 21, 2023
- Brian Walsh
- Research Update of Spotted Lanternfly in Grape: Webinar on March 9, 2022
- Spotted Lantern Fly
- Spotted Lanternfly Management in Vineyards
- Spotted Lanternfly Management for Landscape Professionals
Vineyard Team Programs:
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