Search Continues for Methods to Control Fungus-Farming Beetle in SoCal Trees

polyphagous shot hole borer side view

By Meredith Swett Walker A spate of tree deaths in California has arborists, park managers, and home owners alarmed. Keen-eyed tree caretakers might notice a cluster of tiny holes in the bark of affected trees—almost as if the tree had been shot with a Lilliputian shotgun. But the culprit is not a tiny tree hitman […]

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 […]

The Potential U.S. Economic Cost of a New Sweetgum-Killing Pest

sweetgum inscriber larvae

It’s never too early to work toward preventing the arrival of a potentially destructive invasive species. That’s why researchers at the University of Florida have developed a model to estimate the possible financial cost to the American forestry sector of a newly discovered beetle in China, should it arrive on U.S. shores. The beetle, first […]

Designing Effective Baits for Spotted Wing Drosophila is No Easy Task

spotted wing drosophila on berry

By John P. Roche Spotted wing drosophila (Drosophila suzukii), is an invasive fruit fly species from eastern Asia, first seen in the United States in 2008. The species is devastating to fruit crops, causing economic losses in the U.S. of hundreds of millions of dollars. Spotted wing drosophila feeds on a wide range of host […]

New Formula Doubles Performance of Spotted Wing Drosophila Lure

spotted wing drosophila

To slightly modify an old adage, you can catch more flies with increased levels of acetoin, acetic acid, and ethanol than with methionol. Specifically, the fly in question is spotted wing drosophila (Drosophila suzukii), an invasive pest in North American and Europe that attacks several fruit crops. A lure for catching and monitoring in D. […]