Wetwood or Slime Flux Disease
Bronze Birch BorerBronze Birch Borer is a close relative to the emerald ash borer but it is host specific to birch trees. Its preferences are the Weeping European birch (Betula pendula), paper birch (Betula papyrifera)
http://www.jamestownnd.org/departments/forestry/tr...
Bronze Birch BorerThis insect attacks paper birch, yellow birch, gray birch, poplar, cottonwood and willow. The European white birch is the tree most commonly damaged in Wisconsin.
The adult is a slender, iridescent
http://hharborists.com/services/insect-managment/b...
Bronze Birch Borer Agrilus anxiusBronze Birch Borer is a native beetle that attacks birch trees throughout North America. In urban landscapes it is primarily a pest of white-barked birch cultivars that are either planted in the wrong
http://www.rainbowtreecare.com/tree-knowledge/inse...
Slime Flux and Bacterial WetwoodRussell Friesen
Poplar, elm, birch, maple, apple and mountain ash can all develop a condition known as bacterial wetwood. Often bacterial wetwood symtoms involve a liquid that oozes and bubbles thr
http://agbio.usask.ca/trees-slime