Emerald ash borer confirmed in Palo Alto County, Iowa, making it the last state county without the invasive insect.
Emerald ash borer confirmed in Palo Alto County, Iowa, making it the last county in the state without the invasive, non-native, wood-boring insect. The tree-killing insect from Asia has now been found in 36 states, threatening all species of ash trees. Landowners and managers are advised to consider action for at-risk trees, including removal and replacement or preventive insecticide treatments. The most effective time for treatments is in the spring, between mid-April to mid-May.
April 01, 2024
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