River Birch Diseases And Pests?

What’s Wrong With My river birch tree?

Root Rot and Wood DecayCaused by Armillaria fungus, root rot kills the inner tissue of the river birch tree, especially major roots and lower portion of the trunk.

Look for stunted foliage or leaves that fall prematurely.

Branches at the top of the tree may begin dying before lower areas of the canopy.

What is eating my river birch leaves?

Miner PestsBirch leafminers are the larvae of tiny wasps called black sawflies. Adult wasps lay eggs in leaf litter on the ground that hatch into foliage-eating larvae. As they feed, they mine through birch leaves, creating pale tunnels. Eventually, tunnels turn brown and dead leaves often drop from trees.

What is killing the birch trees?

Birch dieback is a disease of birch trees that causes the branches in the crown to die off. The disease may eventually kill the tree.

What insects eat birch trees?

What Bugs Eat Birch Tree Leaves?

  • Birch Leafminer (Fenusa pusilla) The birch leafminer is found on all species of birch trees.
  • Aphids (Aphis gossypii) Aphids are very common insect pests that will swarm over and devour the leaves of all types of birch trees.
  • Forest Tent Caterpillar (Malacosoma disstria)
  • Spittle Bugs (Aphrophora saratogensis)

Is My river birch dying?

Root Rot and Wood DecayLook for stunted foliage or leaves that fall prematurely. Branches at the top of the tree may begin dying before lower areas of the canopy. Keep aging river birch trees healthy, and avoid accidentally injuring the tree with improper pruning or lawn mower strikes.

What is the life expectancy of a river birch tree?

75 years

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