Which tree disease is indigenous to Canada? 

A)  chestnut blight 
B)  Dutch elm disease 
C)  emerald ash borer 
D)  spruce budworm

Spruce Budworm

A forest pest that feeds on the needles of spruce and fir trees, often causing significant damage to forests.

Dutch Elm Disease

Dutch Elm Disease is a fungal disease spread by bark beetles, primarily affecting elm trees, leading to foliage wilting, branch dieback, and potentially the death of the tree.

Chestnut Blight

A fungal disease caused by Cryphonectria parasitica, which has devastated chestnut trees in North America by causing cankers that girdle and kill the trees.