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1.
non-native to the ecosystem under consideration and
2.
whose introduction causes or is likely to cause economic
- r environmental harm or harm to human health.
Emerald Ash Borer What is an Invasive Species? non-native to the - - PowerPoint PPT Presentation
Emerald Ash Borer What is an Invasive Species? non-native to the - - PowerPoint PPT Presentation
Emerald Ash Borer What is an Invasive Species? non-native to the ecosystem under consideration and 1. whose introduction causes or is likely to cause economic 2. or environmental harm or harm to human health. { Photo by Kent Loeffler,
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Photo by Kent Loeffler, Cornell University
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Marianne Prue, Ohio Department of Natural Resources - Division of Forestry, Bugwood.org
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HOW DO THEY GET HERE?
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White fringetree
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Ash mortality due to EAB. Photo taken in August.
Credit: Bill McNee, Wisconsin Dept of Natural Resources, Bugwood.org
$10.7+ billion dollars spent so far on treatment, removal, and replacement.
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Credit: Dan Herms, Ohio State University
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99.7% Mortality of Ash Trees in North America
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5% of trees in Vermont are ash
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Burlington: 1,000 ash trees ROW.
Remove and Replace: $500,000
Johnson: 440 ash trees along back roads
Removal: $132,000
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286 species of arthropods (insects and spiders) depend
- n North American ash trees for food and shelter. At
least 44 species of arthropods feed exclusively on ash.
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Summer/Fall Larval growth Winter Pre-pupae Early spring Pupation May/June Adult Emergence Ovary maturation June/July Oviposition
1-Year Life Cycle
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Canopy Thinning
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Epicormic, or water sprouts
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Woodpecker Flecking
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Bark splitting
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Ash Yellows
Other insects and diseases easily confused with EAB
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