Tree killer confirmed in another county; Iowa total now 65 - KWWL - Eastern Iowa Breaking News, Weather, Closings

Tree killer confirmed in another county; Iowa total now 65

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DES MOINES, Iowa (AP) - State agricultural officials say an insect that's killed millions of ash trees has been found in central Iowa's Grundy County.

Officials said in a news release Wednesday that emerald ash borer samples were found in a city-owned tree in Dike. The confirmation brings the state infestation total to 65 counties.

People are urged to report any suspected infestation. The Iowa Department of Agriculture and Land Stewardship says tracking the whereabouts of emerald ash borers across the state helps in formulating treatment recommendations.

Infected trees usually lose leaves at the top of the canopy and the die-off spreads downward. The trees usually die within four years.

The bugs are native to Asia and were first reported in the U.S. in Michigan in 2002 and in Iowa in 2010.

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