Download - Emerald Ash Borer
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Emerald Ash Borer
By Adam Jurado
(Agrilus Planipennis)Family: Buprestidae (metallic wood borer
family)
“Ash tree killer”
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Life Cycle
• Hundreds of larvae are laid under tree bark for the winter
• Larvae feeds on the tree’s phloem
• In June and July, pupation occurs, which can cause the bark to slough off
• Newborn females reproduce within a week after birth
• 1, 2 and 3 year life cycles are typical
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Infested Areas of the U.S.
• Northeastern US
• Illinois, Wisconsin, Missouri, Michigan, Ohio, Pennsylvania, Maryland, West Virginia, Virginia, New York
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Negative Effects
• Canopy thinning
• Bark sloughing
• Money lost for property owners and businesses
• Death of the Fraxinus, Pterocarya, Ulmus and Juglans trees
• Spread of infestation
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Reason for Public Concern
• Tens of millions of trees have died
• The beetles are monitored by the USDA
• Nursery operators, forest workers, municipalities and property owners have lost billions of dollars since introduction of the species
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Place of Origin
• China, South Korea, North Korea, Japan, Mongolia and Taiwan
• The emerald ash borer was carried on boats and airplanes, probably on wood shipping crates
• First sighting in the US was in 2002, in southeastern Michigan
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Spread of the Borer
• The emerald ash borer spreads a half a mile each year, however it can fly 6 miles in 24 hours
• After introduction in 2003, the borer has spread throughout Northeastern and North-Central US, and Southeastern Canada
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Why the Borer is a Problem
• Deforestation
• Quarantines by the USDA are inconvenient for when firewood needs to be shipped
• Property damage, and spread of the emerald ash borer are hard to control
• Every year, the borer expands its domain
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Methods of Control
• Survey and protection programs
• State and local governments are alerted
• Fixing the infestation first in populated areas
• Killing live ash trees
• Quarantines
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Bibliography• Ashalert.osu. 9 September 2011. The Ohio State University. 20 September 2011
<http://ashalert.osu.edu/>. (life cycle)• Datcpservices.Wisconsin’s Emerald Ash Borer Information Source. 20 September
2011 <http://datcpservices.wisconsin.gov/eab/index.jsp>. (rate of spread)• Emeraldashborer. Emerald Ash Borer University. 20 September 2011
<http://www.emeraldashborer.info/>. (current distribution)• Emeraldashborer. USDA. 20 September 2011.
<http://www.emeraldashborer.info/files/edpacket.pdf>. (methods of control)• Googleimages. Google Images. 20 September 2011 <Borer distribution>.• Googleimages. Google Images. 20 September 2011 <Eastasiamap>.• Googleimages. Google Images. 20 September 2011 <Infested tree>.• Googleimages. Google Images. 20 September 2011 <Life cycle>.• Na.fs.fed. United States Forest Service. 20 September 2011
<http://www.na.fs.fed.us/fhp/eab/>. (origin)• Themorningsun. Satayut, Lisa. 11 July 2011. The Morning Sun. 20 September 2011
<http://www.themorningsun.com/articles/2011/07/12/news/doc4e1c9f425b911553913307.txt>. (article)