Colorado Tree Problems

We love tree trimming and tree pruning, but we don’t like to see pests and disease infecting your trees. Here you’ll find comprehensive information about common tree problems in Colorado.

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Emerald Ash Borer- Exotic ash pest
Emerald Ash Borer- Exotic ash pest
Issues Stemming from Poor Planting/Aftercare
Issues Stemming from Poor Planting/Aftercare
Mountain Pine Beetle- Browning Needles
Mountain Pine Beetle- Browning Needles
Fire Blight
Fire Blight
Aphids- Small, green bugs
Aphids- Small, green bugs
Bark Beetle (Ips)- Tiny holes in trunk
Bark Beetle (Ips)- Tiny holes in trunk
Boxelder Bug- Orange bugs collecting on house
Boxelder Bug- Orange bugs collecting on house
Codling Moth- Holes in Apples
Codling Moth- Holes in Apples
Elm Leaf Beetle- Holes in elm leaves
Elm Leaf Beetle- Holes in elm leaves
Eriophyid Mites
Eriophyid Mites
European Elm Flea Weevil
European Elm Flea Weevil
European Elm Scale- Tree dripping profusely
European Elm Scale- Tree dripping profusely
Foliar Fungi
Foliar Fungi
Iron Chlorosis- Yellow leaves
Iron Chlorosis- Yellow leaves
Japanese Beetles- Copper beetles eating holes in leaves
Japanese Beetles- Copper beetles eating holes in leaves
Kermes Scale/Drippy Blight
Kermes Scale/Drippy Blight
Leaf Miner-Tunnels in Leaves
Leaf Miner-Tunnels in Leaves
Lilac Ash Borer- Holes in Ash Tree
Lilac Ash Borer- Holes in Ash Tree
Peach Tree Borer- Fruit tree pest
Peach Tree Borer- Fruit tree pest
Powdery Mildew- White Film on Leaves
Powdery Mildew- White Film on Leaves
Red Turpentine Beetle- Pink resin at base of pine
Red Turpentine Beetle- Pink resin at base of pine
Rough Bulletgall Wasp- Bumps on oak tree
Rough Bulletgall Wasp- Bumps on oak tree
Scale Insects- Bumps on tree twigs
Scale Insects- Bumps on tree twigs
Slime Flux
Slime Flux
Southwestern Pine Tip Moth
Southwestern Pine Tip Moth
Sunscald- Peeling Bark on Trunk
Sunscald- Peeling Bark on Trunk
Thousand Cankers- Dying walnut branches
Thousand Cankers- Dying walnut branches
Zimmerman Pine Moth - What looks like a tree disease, but is a tree pest
Zimmerman Pine Moth - What looks like a tree disease, but is a tree pest