Emerald Ash Borer Threatens Over 90% of Ash Trees Across North America

Rahul Somvanshi

Emerald ash borer beetles have decimated tens of millions of ash trees across North America since their discovery in Michigan back in 2002.

Photo Source: Entomological Society of America (YouTube)

Penn State researchers are working with U.S. Forest Service to identify and develop ash trees genetically able to withstand beetles.

Photo Source: Entomological Society of America (YouTube)

Scientists discovered crucial genetic variations in Oregon ash populations stretching from California to British Columbia.

Photo Source: Entomological Society of America (YouTube)

Over 90% of ash trees fall victim to these invasive beetles, prompting urgent conservation efforts by the U.S. Forest Service.

Photo Source: Entomological Society of America (YouTube)

Oregon ash trees serve as vital wildlife habitats while their extensive root systems protect streambanks and keep waterways cool.

Photo Source: Entomological Society of America (YouTube)

Oregon ash trees serve as vital wildlife habitats while their extensive root systems protect streambanks and keep waterways cool.

Photo Source: Entomological Society of America (YouTube)

Genomic offset estimates were highest in northeastern regions and lowest in southern parts of the species range.

Photo Source: Entomological Society of America (YouTube)

Recent beetle sightings in Oregon and British Columbia have intensified the rush to develop resistant breeding programs.

Photo Source: Entomological Society of America (YouTube)

Scientists found evidence of genetic connectivity between Oregon ash populations, though scattered distribution may affect evolution.

Photo Source: Entomological Society of America (YouTube)

Researchers are using landscape genomics to identify priority conservation zones for developing resistant breeding programs.

Photo Source: Entomological Society of America (YouTube)