Brian Kunkel teaching Greenhouse IPM. Photo credit: Tracy Wootten

One of the recovered Beltsville specimens of Trissolcus japonicas emerges from a BMSB egg. Photo credit: Elijah Talamas, USDA Agricultural Research Service, Systematic Entomology Laboratory

Dutch elm disease. Photo credit: William M. Brown, Jr., Bugwood.org

Rubbing branches. Photo credit: Tracy Wootten