Gerald J. Lenhard, Louisiana State University, Bugwood.org

lateral view

W.H. Bennett, USDA Forest Service, Bugwood.org

close-up

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

adult and larval galleries

Robert L. Anderson, USDA Forest Service, Bugwood.org

note short larval mine pupal cells

David J. Moorhead, University of Georgia, Bugwood.org

showing pitch tubes

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

Top kill