01:22:57 duration 1 hour 22 minutes
Balsam Woolly Adelgid and Christmas trees in…
Balsam Woolly Adelgid and Christmas trees in Michigan
Speaker: Dr. Deborah McCullough, Michigan State University Professor, Forest Entomology Balsam woolly adelgid (BWA) is a serious invasive insect pest that has killed millions of native fir trees in…