EMERALD ASH BORER MONITORING FOR 2013
[caption id="attachment_2260" align="alignright" width="400"] EAB girdled Sentinel Tree[/caption] For the 6th year in a row NE IA RC&D partnered with the Iowa DNR Forest Health Dept. emerald ash borer sentinel tree monitoring program. Sentinel trees are usually 4-6 inch diameter ash trees (sometimes smaller, sometimes larger)...
November 30, 2011