State and Private Forestry

Abiotic Injury
Alder Flea Beetle
Ambrosia Beetles
Animal Damage - General
Annosus Root Rot of fir (fir type)
Annosus Root Rot of pines (p type)
Aphids
Armillaria Root Rot
Aspen Heart Rot
Aspen Shoot Blight (venturia leaf blight)
Atropellis Canker

Balsam Woolly Adelgid
Black Pineleaf Scale
Blackstain Root Disease
Blue Stain of Sapwood
Boring Insect - General
Brown Cubical Root and Butt Rot
Brown Felt Blight

California Flatheaded borer
Cedar Bark Beetles
Cedar Brown Pocket Rot
Chemical Injury
Comandra Blister Rust
Coneworm
Cooley Spruce Gall Adelgid
Cytospora Canker

Decays - General
Defoliating Weevils
Douglas-fir Beetle
Douglas-fir Cone Midge
Douglas-fir Dwarf Mistletoe
Douglas-fir Needle Midge
Douglas-fir Seed Chalcid
Douglas-fir Tussock Moth            
Drought Injury
Dwarf Mistletoes - General

Elytroderma Needle Cast

Fir Broom Rust
Fir Engraver
Fir Needle Diseases
Flatheaded Fir Borer
Flooding
Forest Tent Caterpillar
Frost Injury

General Biology of Bark Beetles
Gouty Pitch Midge
Gypsy Moth

Indian Paint Fungus

Jeffrey Pine Beetle
Juniper Dwarf Mistletoe
Juniper Twig Pruner

Lachnellula Canker
Laminated Butt Rot of Cedar
Laminated Root Rot
Larch Bud Moth
Larch Casebearer
Larch Looper
Larch Needle Blight
Larch Needle Cast
Larch Sawfly
Limb Rust
Lodgepole Needle Miner
Lodgepole Pine Dwarf Mistletoe
Lodgepole Pine Terminal Weevil

Marssonina Leaf Spot
Mountain Pine Beetle
Mountain Pine Cone Beetle

Nursery Disease (a synopsis)

Other Needle Miners
Other Pine Needle Casts
Pandora Moth
Pine Butterfly
Pine Engraver
Pine Looper
Pine Needle Scale
Pine Needle Sheathminer
Pine Pitch Mass Borer
Pine Sawfly
Pine Tip Blight (Sphaeropsis)
Pine Tussock Moth
Pinyon Ips
Pinyon Scale
Ponderosa Pine Dwarf Mistletoe
Porcupine Damage (see animal damage)
Pouch Fungus
Quinine conk
Red Band Needle Blight (Dothistroma)
Redbelt Fungus
Redbelt or Winter Damage
Red Turpentine Beetle
Rhabdocline Needle Cast
Root Diseases - Introduction
Roundheaded Borers (Sawyer)
Roundheaded Pine Beetle

Seed and Cone Insects (intro)
Schweinitzii Root and Butt Rot
Sequoia Pitch Moth
Six-spined Ips
Spring and Fall Cankerworms
Spruce Aphid
Spruce Beetle
Spruce Broom Rust
Stalactiform Blister Rust
Sugar Pine Tortrix
Swiss Needle Cast

Tomentosus Root Rot

Variable Oak Leaf Caterpillar

Western Balsam bark beetle
Western Blackheaded budworm
Western False Hemlock Looper
Western Gall Rust
Western Hemlock Looper
Western Larch Borer
Western Larch Dwarf Mistletoe
Western Pine Beetle
Western Pine Shoot Borer
Western Pine Tip Moth
Western Tent Caterpillar
Western Spruce Budworm
White Pine Blister Rust
White Pine Weevil
White Pocket Rot (red-ring rot)
Winter Injury-Redbelt

Wood Borers
Wood Boring Wasps (Horntail)

Abiotic

Abiotic Injury
Chemical Injury
Drought Injury
Flooding
Frost Injury
Redbelt or Winter Damage

Animal Damage

Animal Damage - General
Porcupine Damage (see animal damage)

Bark Beetles

Cedar Bark Beetles
Douglas-fir Beetle
Fir Engraver
General Biology of Bark Beetles
Jeffrey Pine Beetle
Mountain Pine Beetle
Pine Engraver
Pinyon Ips
Red Turpentine Beetle
Roundheaded Pine Beetle
Six-spined Ips
Spruce Beetle
Western Balsam bark beetle
Western Pine Beetle

Boring Insects
Boring Insect - General
Ambrosia Beetles
California Flatheaded borer
Flatheaded Fir Borer
Juniper Twig Pruner
Lodgepole Pine Terminal Weevil
Roundheaded Borers (Sawyer)
Western Larch Borer
White Pine Weevil
Western Pine Shoot Borer
Wood Boring Wasps (Horntail)

Chewing Insects & Defoliators

Alder Flea Beetle
Defoliating Weevils
Douglas-fir Tussock Moth
Forest Tent Caterpillar
Gypsy Moth
Larch Bud Moth
Larch Looper
Larch Sawfly
Lodgepole Terminal Weevil
Pandora Moth
Pine Butterfly
Pine Looper
Pine Sawfly
Pine Tussock Moth
Sugar Pine Tortrix
Variable Oak Leaf Caterpillar
Western Spruce Budworm
Western Blackheaded budworm
Western False Hemlock Looper
Western Hemlock Looper
Western Tent Caterpillar

Gallmaker Insects
Cooley Spruce Gall Adelgid
Gouty Pitch Midge

Dwarf Mistletoe
Dwarf Mistletoes - General

• Douglas-fir Dwarf Mistletoe
• Juniper Dwarf Mistletoe
• Lodgepole Pine Dwarf Mistletoe
• Ponderosa Pine Dwarf Mistletoe
• Western Larch Dwarf Mistletoe

Foliage Diseases
Aspen Shoot Blight (venturia leaf blight)
Brown Felt Blight (snow mold)
Elytroderma Needle Cast
Fir Broom Rust
Fir Needle Diseases
Larch Needle Blight
Larch Needle Cast
Limb Rust
Marssonina Leaf Spot
Other Pine Needle Casts
Roundheaded Borers (Sawyer)
Red Band Needle Blight  (Dothistroma)
Rhabdocline Needle Cast
Spruce Broom Rust
Swiss Needle Cast

Root Disease
Annosus Root Rot-Fir
Annosus Root Rot-Pine
Armillaria Root Rot
Blackstain Root Disease
Brown Cubical Root and Butt Rot
Laminated Butt Rot of Cedar
Laminated Root Rot
Root Diseases - Introduction
Schweinitzii Root and Butt Rot
Tomentosus Root Rot

Mining Insects
Douglas-fir Needle Midge
Larch Casebearer
Lodgepole Needle Miner
Other Needle Miners
Pine Needle Sheathminer

Stem Decay
Aspen Heart Rot
Cedar Brown Pocket Rot
Decays - General
Indian Paint Fungus
Pouch Fungus
Quinine conk (brown trunk rot)
Red belt Fungus
Red Ring Rot (white pocket rot)

Stem Diseases & Damage
Atropellis Canker
Blue Stain of Sapwood
Comandra Blister Rust
Cytospora Canker
Lachnellula Canker
Pine Pitch Mass Borer
Sequoia Pitch Moth
Stalactiform Blister Rust
Western Gall Rust
White Pine Blister Rust

Seed and Cone Insects (intro)
Coneworm
Conifer Seed Bugs
Douglas-fir Cone Midge
Douglas-fir Seed Chalcid
Mountain Pine Cone Beetle
 

Sucking Insects
Aphids
Balsam Woolly Adelgid
Black Pineleaf Scale
Pine Needle Scale
Pinyon Needle Scale
Spruce Aphid

Montana:
(406) 542-4300

Region One
  Missoula: 
  (406) 329-3605

Region Four
  Ogden:
  (801) 476-9720

  Boise :
  (208) 373-4227