Exudate from Dogwood Borer on trunk of M26. By Peter J Jentsch | Published October 24, 2013 | Full size is 2048 × 1360 pixels 1st generation codling moth larva and fruit injury with seed feeding. Grape Berry Moth Monitoring Exudate from Dogwood Borer on trunk of M26. A sign of active DWB feeding. Bookmark the permalink.