FIDL Categories
Caveat: Management strategies and tactics discussed in older leaflets may be outdated.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.
Western Mistletoes
| FIDL # |
Title | Year | Links (size) |
| 54 | Douglas-fir Dwarf Mistletoe | 2000 | pdf (851k) |
| 40 | Dwarf Mistletoes of Ponderosa Pine | 2003 | pdf (1.1M) |
| 89 | Fir Dwarf Mistletoe | 2000 | pdf (893k) |
| 173 | Gray Pine Dwarf Mistletoe | 2004 |
website, pdf (811k) |
| 135 | Hemlock Dwarf Mistletoe | 2001 | pdf (1.1M) |
| 169 | Larch Dwarf Mistletoe | 1997 |
website, pdf (656k) |
| 171 | Limber Pine Dwarf Mistletoe | 1999 |
website, pdf (599k) |
| 18 | Lodgepole Pine Dwarf Mistletoe | 1984 |
website, pdf (800k) |
| 147 | Mistletoes on Hardwoods in the United States | 2010 | pdf (583k) |
| 164 | Phoradendron on Conifers | 1981 | pdf (663k) |
| 174 | Pinyon Pine Dwarf Mistletoe | 2002 |
website, pdf (688k) |
| 113 | Sugar Pine and Western White Pine Dwarf Mistletoes |
2005 | pdf (886k) |
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Western Root Diseases
| FIDL # |
Title | Year | Links (size) |
| 172 | Annosus Root Disease of Western Conifers | 2000 | pdf (979k) |
| 78 | Armillaria Root Disease | 1986 |
website, pdf (771k) |
| 145 | Black Stain Root Disease of Conifers | 1995 | pdf (1.3M) |
| 159 | Laminated Root Rot of Western Conifers | 1981 |
website, pdf (468k) |
| 131 | Port-Orford-Cedear Root Disease under revision |
1972 |
website, pdf (1.5M) |
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Western Rots and Decays
| FIDL # |
Title | Year | Links (size) |
| 149 | Decay and Discoloration of Aspen |
2009 | pdf (473k) |
| 73 | Heart Rots of Douglas-fir under revision |
1962 | pdf (673k) |
| 150 | Decays of Engelmann Spruce and Subalpine Fir in the Rocky Mountains |
2009 | pdf (531k) |
| 52 | Decays of White, Grand, and Red Firs |
2010 | pdf (401k) |
| 30 | Heart Rots of Incense-Cedar | 1958 | pdf (427k) |
| 25 | The Heart Rots of Redwood under revision |
1958 | pdf (465k) |
| 90 | Heart Rots of Western Hemlock under revision |
1964 | pdf (584k) |
| 123 | Red Rot of Ponderosa Pine under revision |
1971 |
website, pdf (547k) |
| 93 | Rust-red Stringy Rot | 2009 | pdf (415k) |
| 177 | Schweinitzii Root and Butt Rot of Western Conifers | 2010 | pdf (534k) |
| 88 | White Trunk Rot of Hardwoods | 1964 | pdf (506k) |
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Western Cankers
| FIDL # |
Title | Year | Links (size) |
| 138 | Atropellis Canker of Pines | 1973 | pdf (458k) |
| 152 | Cankers on Western Quaking Aspen | 1995 |
website, pdf (947k) |
| 94 | Chestnut Blight | 1965 | pdf (500k) |
| 146 | Cytospora Canker of True Firs | 1975 | pdf (336k) |
| 6 | Hypoxylon Canker of Aspen | 1979 | webpage, pdf (693k) |
| 84 | Nectria Canker of Hardwoods | 1964 | pdf (480k) |
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Western Rusts
| FIDL # |
Title | Year | Links (size) |
| 62 | Comandra Blister Rust under revision |
1986 |
website, pdf (614k) |
| 87 | Fir Broom Rust under revision |
1964 | pdf (587k) |
| 79 | Sweetfern Rust on Hard Pines | 1970 | pdf (579k) |
| 50 | Western Gall Rust on Hard Pines | 1960 | pdf (572k) |
| 36 | White Pine Blister Rust under revision |
1959 | pdf (598k) |
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Western Foliage Diseases
| FIDL # |
Title | Year | Links (size) |
| 44 | Brown-Spot Needle Blight of Pines | 1978 |
website, pdf (557k) |
| 161 | Diplodia Blight of Pines | 1981 |
website, pdf (483k) |
| 143 | Dothistroma Needle Blight of Pines | 1982 |
website, pdf (752k) |
| 42 | Elytroderma Disease of Ponderosa Pine | 1971 | pdf (411k) |
| 61 | Needle Discolorations of Western Larch | 1986 | pdf (494k) |
| 85 | Walnut Anthracnose | 1981 |
website, pdf (263k) |
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Western Nursery Diseases
| FIDL # |
Title | Year | Links (size) |
| 157 | Nursery Diseases of Western Conifers |
1979 |
website, pdf (720k) |
| 154 | Phomopsis Blight of Junipers | 1982 |
website, pdf (845k) |
| 166 | Sirococcus Shoot Blight | 1984 |
website, pdf (565k) |
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Western Bark Beetles & Wood Borers
| FIDL # |
Title | Year | Links (size) |
| 170 | Ambrosia Beetles of Western Conifers | 2002 | pdf (990k) |
| 116 | Arizona Fivespined Ips, Ips lecontei Swaine, in the Southwestern United States | 2008 | pdf (555k) |
| 111 | The Bronze Birch Borer | 2000 |
website, pdf (714k) |
| 102 | California Five-Spined Ips | 1987 | pdf (772k) |
| 24 | California Flatheaded Borer | 1970 | pdf (805k) |
| 64 | Carpenterworm | 1970 | pdf (647k) |
| 5 | Douglas-fir Beetle | 1996 | pdf (773k) |
| 175 | Eastern Larch Beetle | 2002 |
website, pdf (812k) |
| 13 | Fir Engraver | 1986 |
website, pdf (1.5M) |
| 115 | Fir Tree Borer | 1968 | pdf (646k) |
| 176 | Invasive Bark Beetles | 2007 | pdf (926k) |
| 11 | Jeffrey Pine Beetle | 2009 | pdf (361k) |
| 71 | The Locust Borer | 1984 |
website, pdf (511k) |
| 56 | Monterey Pine Ips | 1970 | pdf (433k) |
| 2 | Mountain Pine Beetle | 2009 | pdf (472k) |
| 122 | Pine Engraver, Ips pini (Say), in the Western United States | 1997 |
website, pdf (723k) |
| 121 | Poplar-and-Willow Borer | 1972 | pdf (293k) |
| 55 | Red Turpentine Beetle | 2010 | pdf (392k) |
| 155 | Roundheaded Pine Beetle | 1977 | pdf (771k) |
| 60 | Silver Fir Beetle under revision |
1961 | pdf (446k) |
| 141 | Six-Spined Engraver Beetle | 1973 | pdf (441k) |
| 49 | Southern Pine Beetle | 2009 | pdf (489k) |
| 127 | The Spruce Beetle | 1999 |
website, pdf (1.6M) |
| 1 | Western Pine Beetle | 1982 |
webpage, pdf (918k) |
| 74 | White-Spotted Sawyer | 1975 |
website, pdf (372k) |
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Western Defoliators
| FIDL # |
Title | Year | Links (size) |
| 45 | Black-headed Budworm in the Western United States |
1970 | pdf (265k) |
| 72 | California Oakworm | 1971 | pdf (252k) |
| 86 | Douglas-fir Tussock Moth under revision |
1981 |
website, pdf (949k) |
| 142 | Elm Sawfly | 1974 | pdf (486k) |
| 9 | Forest Tent Caterpillar | 1978 |
website, pdf (847k) |
| 31 | Hemlock Sawfly | 1976 | pdf (528k) |
| 96 | Larch Casebearer in Western Larch |
1985 |
website, pdf (627k) |
| 8 | Larch Sawfly | 1971 | pdf (521k) |
| 139 | Large Aspen Tortrix | 2009 | pdf (413k) |
| 22 | Lodgepole Needle Miner | 1971 | pdf (568k) |
| 124 | Mountain-Mahogany Looper |
1971 | pdf (334k) |
| 114 | The Pandora Moth under revision |
1968 | pdf (494k) |
| 66 | Pine Butterfly | 1971 | pdf (194k) |
| 151 | Pine Looper | 1975 | pdf (314k) |
| 65 | Pine Needle-sheath Miner | 1971 | pdf (380k) |
| 117 | Pinyon Sawfly, Neodiprion edulicolus Ross | 1969 | pdf (275k) |
| 156 | Spear-Marked Black Moth | 1977 |
website, pdf (1.1M) |
| 53 | Western Spruce Budworm | 1982 |
website, pdf (765k) |
| 119 | Western Tent Caterpillar | 2008 | pdf (830k) |
| 120 | Western Tussock Moth | 1971 | pdf (249k) |
| 144 | White Fir Needle Miner | 1974 | pdf (355k) |
| 69 | Yellow-Headed Spruce Sawfly | 1971 | pdf (215k) |
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Western Seed & Cone and Seedling Insects
| FIDL # |
Title | Year | Links (size) |
| 112 | The Sugar Pine Cone Beetle | 1968 | pdf (394k) |
| 63 | White Grubs in Forest Tree Nurseries & Plantations | 1961 |
website, pdf (328k) |
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Western Shoot, Twig, & Terminal Insects
| FIDL # |
Title | Year | Links (size) |
| 59 | European Pine Shoot Moth | 1970 |
website, pdf (507k) |
| 46 | Gouty Pitch Midge | 1971 | pdf (610k) |
| 70 | Nantucket Pine Tip Moth under revision |
1981 |
website, pdf (561k) |
| 15 | Pine Reproduction Weevil under revision |
1971 | pdf (313k) |
| 103 | Ponderosa Pine Tip Moth | 1971 | pdf (352k) |
| 47 | Sitka Spruce Weevil | 1970 | pdf (351k) |
| 58 | Southwestern Pine Tip Moth | 1982 |
website, pdf (548k) |
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Western Sucking Insects
| FIDL # |
Title | Year | Links (size) |
| 118 | Balsam Wooly Adelgid | 2006 | pdf (1.3M) |
| 91 | Black Pineleaf Scale | 1986 |
website, pdf (388k) |
| 95 | Boxelder Bug under revision |
1971 | pdf (360k) |
| 148 | Pinyon Needle Scale | 1974 |
website, pdf (290k) |
| 92 | The Tuliptree Scale | 1971 | pdf (415k) |
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Multiple Agents (Complexes)
| FIDL # |
Title | Year | Links (size) |
| 75 | Beech Bark Disease | 1983 |
website, pdf (772k) |
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Unknown Agents
| FIDL # |
Title | Year | Links (size) |
| 16 | Pole Blight of Western White Pine | 1957 | pdf (318k) |
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last updated: December 16, 2010
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#55 Red Turpentine Beetle
#12 Black Turpentine Beetle
#52 Decays of [True] Firs
#147 Mistletoes on Hardwoods
#177 Schweinitzii Root & Butt Rot