A close look at a serious pest of many conifers commonly grown in nurseries throughout the Pacific Northwest. Article examines the host range, life cycle, damage, monitoring, cultural prevention and control as well as chemical controls.
To view article, click on attachment link above.
Winter, 1986 Vol. 10, Issue 1 Pages 6-7
Richard Regan Extension Nursery and Greenhouse Crops OSU – Marion County Extension Service 3180 Center St. NE Salem, OR 97301