The elm zigzag sawfly (Aproceros leucopoda) is an invasive pest that threatens all elm species already stressed by Dutch elm disease and elm yellows, and its spread across eight states, three Canadian provinces, and parts of Europe underscores its growing impact.
This webinar equips participants to recognize the sawfly’s distinctive signs, understand the risks it poses to forests and communities, and explore practical management strategies to help protect vulnerable elm populations.
Who is this for?
-- Arborists and urban foresters
-- Conservationists
-- Ecologists
-- Foresters
-- Forest landowners
-- Individuals interested in forests and trees
What will you learn?
-- What elm zigzag sawfly is
-- The threat it poses to forests and urban trees
-- Management strategies for elm zigzag sawfly
Continuing education credits are available.
Click Here to register and for more information.
Visit the Penn State Extension website to learn more about many other educational opportunities.
Related Articles This Week:
-- Penn State Extension In-Person Southeast PA Green Industry Conference March 5 In Montgomery County [PaEN]
-- Penn State Extension March 16 Webinar On Elm Zigzag Sawfly Update - Frontiers Of Forest Health [PaEN]
-- Penn State Extension Ag Conservation News: Funding For Sustainable Farming; Launch Your Ag Conservation Journey At The PA Farm Show
[Posted: December 16, 2025] PA Environment Digest
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