Protect Manitoba's Trees. Don't move firewood

The emerald ash borer (EAB) is a highly invasive and destructive insect that has killed millions of ash trees in the U.S. and in the provinces of Ontario and Quebec.


  • the average length is 7.5 to 13.5 millimetres (about 1/2 inch)
  • their name is indicative of their shiny metallic green colour
  • they have a bright red abdomen, which is visible only when the wings and forewings are pulled back
Size of adult emerald ash borer


  • a creamy white color
Image of a larvea

Since EAB is very hard to detect in the early stages, it often goes unnoticed until it's too late. For this reason, EAB has been difficult to control and manage. Prevention measures and early detection are the best defense against this devastating invasive forest insect.