Emerald Ash Borer treatments

Tree bark identification

What happens to infested ash trees?

 Tunnels excavated by feeding larvae destroy the water and nutrient conducting tissues under the bark; this effectively starves the ash tree. The canopy of heavily infested trees will begin to die, usually near the top and progressing downward. Sometimes, infested ash trees produce epicormic (“water”) sprouts on the trunk or branches below emerald ash borer activity.  Adult feeding (removal of tissue along leaflet edges) can be seen on affected ash trees. The bark may crack directly over larval galleries.  Adult beetles chew characteristic “D”-shaped exit holes as they leave former feeding sites below the bark.  Woodpeckers often are found on infested ash tree trunks, feeding on larvae; this is most often noted during winter. Trees attacked by the emerald ash borer die within 1-3 years.

What types of trees does the emerald ash borer attack? 

In North America, it is only found in ash trees – green, white, black, blue, pumpkin, Marshall seedless, Autumn Purple and Summit are examples of susceptible species and cultivars. Ash trees in any setting (forest, landscape, woodlots, or fencerows) have been affected in infested areas.  Branches as small as 1 inch diameter to trunks exceeding 2 feet in diameter have been colonized by this beetle.

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​Moving firewood and other ash wood materials in areas infested with emerald ash borer is regulated by the infested states and federal government. - See more at: 

Canyon Creek Lawn & Landscape