You are here: Home / Research Topics / Research Highlights / Search Results

Research Highlights

Search Results

Below are the highlights meeting your search criteria. To perform another search, click here.

Highlight IDTitleStrategic Program Area(s)YearStation
Photo of An adult goldspotted oak borer, an exotic insect threatening red oaks in California. T.W. Coleman, USDA Forest Service
ID: 685
Delimiting the invaded range of the goldspotted oak borer, a threat to red oaks in California and Oregon

The goldspotted oak borer, Agrilus auroguttatus, traveled in infested firewood from southeastern Arizona into southern California where it is ki ...

Principal Investigator : Steven J. Seybold

Invasive Species2014PSW
Photo of
ID: 377
Monitoring Tool for the Insect Vector of Thousand Cankers Disease of Walnut

A newly discovered pheromone can be used to detect the insect vector of thousand cankers disease of walnut. Intermediate and low population den ...

Principal Investigator : Steven J. Seybold

Invasive Species2011PSW
Photo of Lures slowly releases male-produced aggregation pheromone of the walnut twig beetle. Stacy M. Hishinuma, Steven J Seybold, USDA Forest Service
ID: 539
Scientists Develop Successful Lure to Attrack Beetle That Causes Thousand Cankers Disease in Walnut Trees

In response to the threat posed by the walnut twig beetle, which spreads thousand cankers disease in walnut trees, the Forest Service's Pacific ...

Principal Investigator : Steven J. Seybold

Invasive Species2013PSW
Photo of Dark sap staining on the bark surface of a walnut tree (Pterocarya stenoptera) branch caused by underlying damage from the walnut twig beetle (Pityophthorus juglandis) and fungus (Geosmithia morbida) surrounding two beetle entrance or emergence holes.
ID: 1386
Wingnut trees at risk to thousand cankers disease

The walnut twig beetle vectors a fungus that colonizes and kills the plant tissure known as phloem of walnut and butternut trees. Over the past ...

Principal Investigator : Steven J. Seybold

Water, Air, and Soil
Resource Management and Use