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Chicago Emerald Ash Borer Central

Latest Emerald Ash Borer Information

Emerald Ash Borer in Carol Stream

Posted by Ron Wolford -

The Illinois Department of Agriculture notified Carol Stream officials that during their coordinated EAB surveillance efforts in DuPage County, they detected two infected ash trees in and along the Klein Creek tributary adjacent to both Volunteer Park and Carol Stream Fire Protection District Headquarters which is located north of North Ave. near the intersection with Kuhn Rd. State.

Agriculture officials were drawn to the tree as it demonstrated signs of vertical dieback at the top of the leaf canopy indicative of EAB infestation. A field inspection of the tree discovered the tell-tale D-shaped exit holes made by the borer. Residents are advised that state field inspectors with the IL. Dept. of Agriculture will be inspecting public trees in and around ground zero of the infestation to determine the extent of the infestation's spread. Field inspectors will be easily identified through photo identification badges worn on their jacket and will be traveling in agency marked vehicles.

The EAB was first discovered in DuPage County this past July at the Concord Green shopping Center in Glendale Heights located at the intersection of North Ave. and Bloomingdale Rd. For the past several years, Village officials and staff have been vigilant in their efforts to educate themselves and the residents about the EAB and its possible impact on the community's tree resources. Detailed planning efforts by the Public Works Department staff to address this outbreak have included maintaining a current inventory of parkway trees totaling 7,000, of which approximately 2,750 (40%) are ash trees. Other steps the Village has taken include removing ash trees from the approved subdivision tree code, removing them as a parkway tree program specie, signing a compliance agreement with the IL. Dept. of Agriculture that details rules for moving ash materials out of a quarantined zone and developing a preliminary tree replacement budget should Village trees become infested with the emerald ash beetle.

Just last evening, the Village Board approved a tree purchasing agreement with a regional nursery to set aside a portion of their growing stock for the Village's reforestation efforts should that come to pass. This tree purchasing agreement allows the Village to purchase up to 150 trees a year for the next 5 years at a set cost of $219 per tree through 2012. Also during their November 19th regular meeting, the Village Board also approved to set aside $2.25 million dollars in fund balance to develop an EAB program that furthers the Village's surveillance efforts and advances the Village's community ash reduction effort critical in combating the outbreak.

Home and business owners are asked to become familiar with the proper identification of ash trees and the physical evidence of damage caused by the EAB. Photographs to help with EAB detection and education can be found at www.illinoiseab.com, www.emeraldashborer.info. Homeowners are also asked to prepare for the possible arrival of EAB within their own backyards. They can best prepare by keeping informed regarding the location of any local EAB-infestations and periodically examining their trees for D-shaped exits holes, S-shaped larval galleries, excessive wood pecker damage and/or basal sprouting.

If you believe you have spotted an Emerald ash borer or found evidence of EAB infestation, contact:

Public Works Department @ (630) 871-6260

Univ. of Illinois Cooperative Ext. Office @ (630) 955-1123

Morton Arboretum Plant Clinic @ (630) 719-2424

The life cycle of the EAB during the winter has the larvae remaining under the bark and in the late spring when the weather turns warmer; the larvae hatch in a 7-10 day period and begin feeding into the core of the tree interrupting its ability to transport nutrients up the trunk to the branch canopy. Residents who have an ash tree on their property are asked to inspect the trunk for the D-shaped exit holes indicative of infestation. Since the EAB can easily be transported in ash logs, residents still looking to purchase firewood for the winter are also strongly advised to purchase from a certified firewood supplier that has been issued a USDA Shield or a PPQ540 certificate. To view an actual copy of the USDA shield/certificate log onto the following web link http://www.agr.state.il.us/eab/data/200805093383.pdf.

Residents are asked not to buy firewood from any supplier who does not produce these agency certifications or whose source of firewood suppliers originates from a quarantined state/county listed on the Illinois Dept. of Agriculture web site at www.emeraldashborer.info/statequarantine.cfm.

Similarly, no agency or property owners who removes an ash tree from a quarantined area is allow to transport the materials from the infested tree to include logs, stumps, roots, branches as well as composed or uncomposted wood chips outside of the quarantined area. Violations are punishable by a fine up to $500 for each occurrence.

Additional information on EAB can be found on the Village's home page at www.carolstream.org/EAB Advisory. If the Emerald Ash Borer is suspected after consulting one of these experts call the Illinois Department of Agriculture at 312-742-3385.



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