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Emerald Ash Borer/Giant Hogweed
Insect causing top-down dieback of ash trees.
(no yet a problem in PA)
- What is the Emeral Ash Borer? (PDF) - Two page brochure with brief summary of the pest and photos, from Forest Service and other collaborating organizations
- APHIS fact sheet - Biology, photo gallery, hosts, symptoms
- DCNR Emerald Ash Borer page - Gives history of pest, describes site surveillance programs in PA
- EmeraldAshBorer.info - Collaborative web site from Michigan, Ohio, and Indiana.
Giant Hogweed
Tall, blooming plant that grows in moist soil.
- PDA Giant Hogweed page - Shows images of growth stages, why it's a problem, & gives hotline to report the plant
- Giant Hogweed Identification (PDF) - 4-page fact sheet with photos & descriptions of hogweed and other look-a-likes