Little Yellow Ant is Next Invasive to Arrive in Florida

little yellow ant

“It was just a matter of time before it showed up,” says Thomas Chouvenc, Ph.D. The little yellow ant (Plagiolepis alluaudi) is a tropical species, native to Madagascar, but it had made its way to the Caribbean sometime in the past decade. And now it’s been found in Florida. Chouvenc is an assistant professor of […]

How Salt, a Coffee Filter, and a Microscope Could Aid in Managing Spotted-Wing Drosophila

filter method for finding spotted-wing drosophila

By Andrew Porterfield The red-eyed, spotted fly first appeared in the United States in strawberry, raspberry, and blackberry crops in Santa Cruz County, California, in 2008. Then the Southeast Asian invader Drosophila suzukii began showing up in crops in other areas of coastal California, eventually making its way to the far Pacific Northwest and then […]

Forest Pest Invasions Can—And Should—Be Studied Before They Happen

Xyleborus glabratus and Euwallacea fornicatus

By Jiri Hulcr, Ph.D. Ambrosia beetles include some of the scariest invasive bugs. These tiny relatives of bark beetles travel the globe in wooden packaging used on commercial ships. They take their food with them: Instead of eating the wooden crates, ambrosia beetles grow symbiotic fungi inside the timber just like little farmers. As a […]

Olive Tree is Second Non-Ash Species Found Vulnerable to Emerald Ash Borer

EAB larvae in olive stem

Last fall, researchers at Wright State University announced they had found that emerald ash borer can develop from larvae to adulthood on a species of olive tree. Today, that study is published online in the Journal of Economic Entomology. Their detailed report shows that 45 percent of the emerald ash borer (Agrilus planipennis) eggs that […]

Well-Fed, Older Asian Longhorned Beetles Fly Farther, May Require New Quarantine Zones

Asian longhorned beetle

By Andrew Porterfield The Asian longhorned beetle (Anoplophora glabripennis) has been an invasive pest in North America since 1996, when it arrived from China and Korea, probably through infested wood-packing material. Today, it’s been detected in the northeast United States, Canada, and Europe and at nearly every port in the U.S. Since its arrival, the […]