Emerald ash borer threatens Gateway Arch trees; replacement plants considered

Tuesday, August 2, 2011 | 10:35 a.m. CDT

ST. LOUIS — The National Park Service figures it is only a matter of time before the emerald ash borer will make its way to St. Louis, and that could mean trouble on the grounds of the Gateway Arch.

More than 900 Rosehill ash trees are planted on the grounds and could be wiped out by an invasion of the ash borer which has already killed millions of trees in the east.

On Monday, Jefferson National Expansion Memorial superintendent Thomas Bradley announced the opening of a public comment period to address the potential impact of the emerald ash borer. All comments must be received by the end of Aug. 24. A comment form is available on the Park Service's website.

The Park Service is considering finding another species of tree to replace the ash trees and is looking at a variety of options.


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