Urban hotspots for invasive insects

About 82% of the U.S. population lives in urban areas, and that number is growing. People are drawn from near and far to cities for jobs, restaurants, and entertainment. They also enjoy green spaces within a bustling cityscape. Parks, forests, and tree-lined streets provide respite and recreation, places to pause and ponder. Trees in urban…  More 

E-Noses Detect Emerald Ash Borer Larvae

Electronic noses are sensitive to a vast suite of volatile organic compounds that every living organism emits. A new USDA Forest Service study shows that e-noses can detect emerald ash borer (Agrilus planipennis) larvae lurking under the bark – an early, noninvasive detection method. “The results were quite spectacular,” says Dan Wilson, a research plant…  More 

The Status of Ash Species in Selected Southern States

A new Science Update  from the U.S. Forest Service Southern Research Station (SRS) provides the latest data on ash tree (Fraxinus spp.) species in Alabama, Arkansas, Mississippi, and Louisiana. The emerald ash borer, an introduced Asian beetle species first detected in Michigan in 2002, has spread throughout the northeastern U.S. and into the southern states…  More