Western Forest Insect & Disease Leaflets - FIDLs

FIDL Categories

* Mistletoes

* Bark Beetles & Wood Borers

* Root Diseases     

* Defoliators

* Rots & Decays

* Seed & Cone, Seedling Insects

* Cankers

* Shoot, Twig, & Tip Insects

* Rusts

* Sucking Insects

* Foliage Diseases

* Multiple Agents (Complexes)

* Nursery Diseases

* Unknown Agents

Caveats: Management strategies and tactics discussed in older leaflets may be outdated. Contact your nearest USFS Forest Health Protection Office or your state's Department of Forestry or Natural Resources for current information.   These FIDLs are .pdf files ranging in size from .2 to 1.6 MB).

Western Mistletoes

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Western Root Diseases

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Western Rots and Decays

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Western Cankers

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Western Rusts

FIDL # Title Year
62 Comandra Blister Rust
under revision
1986
87 Fir Broom Rust
under revision
1964
79 Sweetfern Rust on Hard Pines 1970
50 Western Gall Rust on Hard Pines 1960
36 White Pine Blister Rust
under revision
1959

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Western Foliage Diseases

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Western Nursery Diseases

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Western Bark Beetles & Wood Borers

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Western Defoliators

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Western Seed & Cone and Seedling Insects

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Western Shoot, Twig, & Terminal Insects

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Western Sucking Insects

FIDL # Title Year
118 Balsam Wooly Adelgid 2006
91 Black Pineleaf Scale 1986
95 Boxelder Bug 2011
57 Pine Tortoise Scale 2013
148 Pinyon Needle Scale 1974
92 The Tuliptree Scale 1971

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Multiple Agents (Complexes)

FIDL # Title Year
75 Beech Bark Disease 1983

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Unknown Agents

FIDL # Title Year
16 Pole Blight of Western White Pine 1957

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