- Associated Press - Tuesday, September 1, 2015

DUBUQUE, Iowa (AP) - The trace of a pesky insect that slowly kills ash trees has been reported in Dubuque County in eastern Iowa.

The Iowa Department of Agriculture and Land Stewardship said Tuesday that emerald ash borer was confirmed in Dubuque. The discovery means the insect has been confirmed in 28 Iowa counties.

Officials they discovered larvae from the insect in southern Dubuque and a rural area just outside of city limits.

The emerald ash borer is a small, metallic-green beetle. Its larvae chew into the layer of wood under the bark, cutting off the flow of water and nutrients to an ash tree.

Officials recommend landowners with ash trees within 15 miles of a known infestation to schedule preventative treatments for next spring.

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