Healthy cherry trees will try to bleed out the intruding pest, creating shothole “pigtails.”  Photos by Dr. Michael Bush, WSU Extension Shothole borer infestations are a sign of the times. The pest tends to show up in neglected trees, trees that have recently been pulled out, or woodpiles. “When things are going good and everything’s healthy and taken care of, we don’t see a lot of these pests,” Mike Doerr, research assistant with Washington State University in Wenatchee, reported at the Okanogan County Horticultural Day. Shothole borer, Scolytus rugulosus, is one of two species of bark beetle commonly found in […]