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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of When tansy ragwort flea beetles feed on invasive tansy ragwort leaves, at least 11 defensive plant chemicals are triggered after only four days (each peak equals one chemical). These chemicals are costly for the plant to produce and likely contribute to the success of this biocontrol insect. Forest Service
ID: 393
Biological control of invasive plants

Scientists are studying chemical ecology regarding the biocontrol of weeds and discovering that biocontrol insects affect weed chemistry in very ...

Principal Investigator : Justin B. Runyon

Invasive Species2011RMRS
Photo of Floral scents are captured by enclosing flowers in clear plastic cups and pulling air out of the cups through an odor trap. Scientists found that drought changed the smell of all four species studied and reduced pollinator visitation to three of the four plant species. Justin B. Runyon, USDA Forest Service
ID: 699
Drought Stress Changes Floral Scent and Reduces Pollinator Visitation

Pollinators assist 80 percent of flowering plants in their reproduction, which accounts for much of the food ingested by humans and wildlife. Th ...

Principal Investigator : Justin B. Runyon

Resource Management and Use2014RMRS
Photo of Noxious weeds were monitored following thinning and burning treatments in a lodgepole pine forest. Forest Service
ID: 141
Unwanted Side Effects of Roads Are Invasive Species

Monitoring invasive plants is an important component of forest restoration

Principal Investigator : Justin B. Runyon

Invasive Species2012RMRS