Insects

Bark beetles

• Douglas-fir beetle 005
  • Furniss, M.M.; and Kegley, S.J. 2014. Douglas-fir beetle. Forest Insect & Disease Leaflet 5 (revised). USDA Forest Service; Portland, OR. 12 p.

• Fir engraver 013
  • Ferrell, G.T. 1986. Fir engraver. Forest Insect & Disease Leaflet 13 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Invasive bark beetles 176
  • Lee, J.C.; Haack, R.A.; Negron, J.F.; Witcosky, J.J.; and Seybold, S.J. 2007. Invasive bark beetles. Forest Insect & Disease Leaflet 176. USDA Forest Service; Washington, D.C. 12 p.

• Monterey pine Ips 056
  • Struble, G.R. 1970. Monterey pine Ips. Forest Pest Leaflet 56 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Mountain pine beetle 002
  • Gibson, K.; Kegley, S.; and Bentz, B. 2009. Mountain pine beetle. Forest Insect & Disease Leaflet 2 (revised). USDA Forest Service; Washington, D.C. 12 p.

• Northern spruce engraver 180
  • Burnside, R.E.; Holsten, E. H.; Fettig, C.J.; Kruse, J.J.; Schultz, M.E.; Hayes, C.J.; Graves, A.D.; and Seybold, S.J. 2011. Northern spruce engraver. Forest Insect & Disease Leaflet 180. USDA Forest Service; Washington, D.C. 12p.

• Pine engraver, Ips pini (Say), in the western United States 122
  • Kegley, S.J.; Livingston, R.L.; and Gibson, K.E. 1997. Pine engraver, Ips pini (Say), in the western United States. Forest Insect & Disease Leaflet 122 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Red turpentine beetle 055
  • Owen, D.R.; Smith, S.L.; and Seybold, S.J. 2010. Red turpentine beetle. Forest Pest Leaflet 55 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Silver fir beetle and fir root bark beetle 060
  • Carlson, D.; and Ragenovich, I. 2012. Silver fir beetle and fir root bark beetle. Forest Pest Leaflet 60. USDA Forest Service; Washington, D.C. 8 p.

• Six-spined engraver beetle 141
  • Ciesla, W.M. 1973. Six-spined engraver beetle. Forest Pest Leaflet 141. USDA Forest Service; Washington, D.C. 6 p.

• Spruce beetle 127
  • Holsten, E.H.; Thier, R.W.; Munson, A.S.; and Gibson, K.E. 1999. The spruce beetle. Forest Insect & Disease Leaflet 127 (revised). USDA Forest Service; Washington, D.C. 12 p.

• Western pine beetle 001
  • DeMars, C.J., Jr.; and Roettgering, B.H. 1982. Western pine beetle. Forest Insect & Disease Leaflet 1 (revised). USDA Forest Service; Washington, D.C. 8 p.

Wood borers

Conifers

• Ambrosia beetles of western conifers 170
  • Daterman, G.E.; and Overhulser, D.L. 2002. Ambrosia beetles of western conifers. Forest Insect & Disease Leaflet 170. USDA Forest Service; Washington, D.C. 8 p.

• California flatheaded borer 024
  • Lyon, R.L. 1970. California flatheaded borer. Forest Pest Leaflet 24 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Fir tree borer 115
  • Wickman, B.E. 1968. Fir tree borer. Forest Pest Leaflet 115. USDA Forest Service; Washington, D.C. 6 p.

• White-spotted sawyer 074
  • Wilson, L.F. 1975. White-spotted sawyer. Forest Pest Leaflet 74 (revised). USDA Forest Service; Washington, D.C. 8 p.

Hardwoods

• Bronze birch borer 111
  • Katovich, S.A.; Munson, A.S.; Ball, J.; and McCullough, D. 2000. Bronze birch borer. Forest Insect & Disease Leaflet 111 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Carpenterworm 064
  • Hay, C.J.; and Morris, R.C. 1970. Carpenterworm. Forest Pest Leaflet 64 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Locust borer 071
  • Galford, J.R. 1984. The locust borer. Forest Insect & Disease Leaflet 71 (revised). USDA Forest Service; Washington, D.C. 6 p.

• Poplar and willow borer 121
  • Furniss, M.M. 1972. Poplar-and-willow borer. Forest Pest Leaflet 121. USDA Forest Service; Washington, D.C. 5 p.

Defoliators

Conifers

• Blackheaded budworm in the western United States 045
  • Schmiege, D.C.; and Crosby, D. 1970. Black-headed budworm in western United States. Forest Pest Leaflet 45 (revised). USDA Forest Service; Washington, D.C. 4 p.

• Diprionid sawflies on lodgepole and ponderosa pines 179
  • Ciesla, W.J.; and Smith, D.R. 2011. Diprionid sawflies on lodgepole and ponderosa pines. Forest Insect & Disease Leaflet 179. USDA Forest Service; Washington, D.C. 11 p.

• Douglas-fir tussock moth 086
  • Wickman, B.E.; Mason, R.R.; and Trostle, G.C. 1981. Douglas-fir tussock moth. Forest Insect & Disease Leaflet 86 (revised). USDA Forest Service; Washington, D.C. 10 p.

• Hemlock sawfly 031
  • Hard, J.S.; Torgersen, T.R.; and Schmiege, D.C. 1976. Hemlock sawfly. Forest Insect & Disease Leaflet 31 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Larch casebearer in western larch 096
  • Tunnock, S.; and Ryan, R.B. 1985. Larch casebearer in western larch. Forest Insect & Disease Leaflet 96 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Larch sawfly 008
  • Drooz, A.T. 1971. Larch sawfly. Forest Pest Leaflet 8 (revised). USDA Forest Service; Washington, D.C. 5 p.

• Lodgepole needleminer 022
  • Koerber, T.W.; and Struble, G.R. 1971. Lodgepole needleminer. Forest Pest Leaflet 22 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Pandora moth 114
  • Ciesla, W.M.; Eglitis, A.; and Hanavan, R. 2010. The pandora moth. Forest Pest Leaflet 114. USDA Forest Service; Washington, D.C. 8 p.

• Pine butterfly 066
  • Scott, D.W. 2012. Pine butterfly. Forest Pest Leaflet 66 (revised). USDA Forest Service; Washington, D.C. 15 p.

• Pine looper 151
  • Dewey, J.E. 1975. Pine looper. Forest Pest Leaflet 151. USDA Forest Service; Washington, D.C. 5 p.

• Pine needle sheathminer 065
  • Stevens, R.E. 1971. Pine needle sheathminer. Forest Pest Leaflet 65 (revised). USDA Forest Service; Washington, D.C. 5 p.

• Western spruce budworm 053
  • Fellin, D.G.; and Dewey, J.E. 1986. Western spruce budworm. Forest Insect & Disease Leaflet 53 (revised). USDA Forest Service; Washington, D.C. 10 p.

• Yellow-headed spruce sawfly 069
  • Wilson, L.F. 1971. Yellow-headed spruce sawfly. Forest Pest Leaflet 69 (revised). USDA Forest Service; Washington, D.C. 3 p.

Hardwoods

• Elm sawfly 142
  • Stein, J.D. 1974. Elm sawfly. Forest Pest Leaflet 142. USDA Forest Service; Washington, D.C. 6 p.

• Fall cankerworm 182
  • Ciesla, W.M.; and Asaro, C. 2013. Fall cankerworm. Forest Insect & Disease Leaflet 182. USDDA Forest Service; Washington, D.C. 8p.

• Forest tent caterpillar 009
  • Batzer, H.O.; and Morris, R.C. 1978. Forest tent caterpillar. Forest Insect & Disease Leaflet 9 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Gypsy moth 162
  • McManus, M.; Schneeberger, N.; Reardon, R.; and Mason, G. 1989. Gypsy moth. Forest Insect & Disease Leaflet 162 (revised). USDA Forest Service; Washington, D.C. 13 p.

• Large aspen tortrix 139
  • Ciesla, W.M.; and Kruse, J.J. 2009. The large aspen tortrix. Forest Insect & Disease Leaflet 139 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Mountain mahogany looper 124
  • Furniss, M.M. 1971. Mountain-mahogany looper. Forest Pest Leaflet 124. USDA Forest Service; Washington, D.C. 5 p.

• Spear-marked black moth 156
  • Werner, R.A.; and Baker, B.H. 1977. Spear-marked black moth. Forest Insect & Disease Leaflet 156. USDA Forest Service; Washington, D.C. 7 p.

• Western tent caterpillar 119
  • Ciesla, W.M.; and Ragenovich, I.R. 2008. Western tent caterpillar. Forest Insect & Disease Leaflet 119 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Western tussock moth 120
  • Furniss, M.M.; and Knopf, J.A.E. 1971. Western tussock moth. Forest Pest Leaflet 120. USDA Forest Service; Washington, D.C. 4 p.

Adelgids, midges, & scales

• Balsam woolly adelgid 118
  • Ragenovich, I.R.; and Mitchell, R.G. 2006. Balsam woolly adelgid. Forest Insect & Disease Leaflet 118 (revised). USDA Forest Service; Washington, D.C. 11 p.

• Black pineleaf scale 091
  • Ferrell, G. 1986. Black pineleaf scale. Forest Insect & Disease Leaflet 91 revised). USDA Forest Service; Washington, D.C. 4 p.

• Gouty pitch midge 046
  • Eaton, C.B.; and Yuill, J.S. 1971. Gouty pitch midge. Forest Pest Leaflet 46 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Pine tortoise scale 057
  • Clarke, S.R. 2013. Pine tortoise scale. Forest Pest Leaflet 57 (revised). USDA Forest Service; Washington, D.C. 8 p.

Pine terminal weevils & tip moths

• European pine shoot moth 059
  • Miller, W.E.; Hastings, A.R.; and Carolin, V.M. 1970. European pine shoot moth. Forest Pest Leaflet 59 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Ponderosa pine tip moth 103
  • Stevens, R.E. 1971. Ponderosa pine tip moth. Forest Pest Leaflet 103 (revised). USDA Forest Service; Washington, D.C. 5 p.

• Sitka spruce weevil 047
  • Wright, K.H. 1970. Sitka-spruce weevil. Forest Pest Leaflet 47 (revised). USDA Forest Service; Washington, D.C. 6 p.

• Southwestern pine tip moth 058
  • Jennings, D.T.; and Stevens, R.E. 1982. Southwestern pine tip moth. Forest Insect & Disease Leaflet 58 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Zimmerman pine moth 106
  • Carlson, R.B.; and Wilson, L.F. 1971. Zimmerman pine moth. Forest Pest Leaflet 106 (revised). USDA Forest Service; Washington, D.C. 7 p.

Forest nursery pests

• White grubs in forest tree nurseries and plantations 063
  • Speers, C.F.; and Schmiege, D.C. 1971. White grubs in forest tree nurseries and plantations. Forest Pest Leaflet 63 (revised). USDA Forest Service; Washington, D.C. 5 p.

Home and building pests

• Boxelder bugs 095
  • Ciesla, W.M.; and Hanavan, R.P. 2011. Boxelder bug. Forest Insect & Disease Leaflet 95 (revised). USDA Forest Service; Washington, D.C. 7 p.

Diseases

Root diseases

• Annosus root disease of western conifers 172
  • Schmitt, C.L.; Parmeter, J.R.; and Kliejunas, J.T. 2000. Annosus root disease of western conifers. Forest Insect & Disease Leaflet 172. USDA Forest Service; Washington, D.C. 9 p.

• Armillaria root disease 078
  • Williams, R.E.; Shaw, C.G., III; Wargo, P.M.; and Sites, W.H. 1986. Armillaria root disease. Forest Insect & Disease Leaflet 78 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Black stain root disease of conifers 145
  • Hessburg, P.F.; Goheen, D.J.; and Bega, R.V. 1995. Black stain root disease of conifers. Forest Insect & Disease Leaflet 145 (revised). USDA Forest Service; Washington, D.C. 9 p.

• Laminated root rot of western conifers 159
  • Nelson, E.E.; Martin, N.E.; and Williams, R.E. 1981. Laminated root rot of western conifers. Forest Insect & Disease Leaflet 159. USDA Forest Service; Washington, D.C. 6 p.

• Schweinitzii root and butt rot of western conifers 177
  • Hagle, S.K.; and Filip, G.M. 2010. Schweinitzii root and butt rot of western conifers. Forest Insect & Disease Leaflet 177. USDA Forest Service; Washington, D.C. 8 p.

Decays & heartrots

Conifers

• Decays of white, grand, and red firs 053
  • Mallams, K.M.; Chadwick, K.L.; and Angwin, P.A. 2010.  Decays of white, grand, and red firs. Forest Insect & Disease Leaflet 053 (revised.) USDA Forest Service; Portland, OR. 12 p.

• Heart rots of Douglas-fir 073
  • Harvey, G.M. 1962. Heart rots of Douglas-fir. Forest Pest Leaflet 73. USDA Forest Service; Washington, D.C. 8 p.

• Heart rots of Engelmann spruce and subalpine fir in the central Rocky Mountains 150
  • Worrall, J.J.; and Nakasone, K.K. 2009. Decays of Engelmann spruce and subalpine fir in the central Rocky Mountains. Forest Insect & Disease Leaflet 150 (revised). USDA Forest Service; Washington, D.C. 11 p.

• Heart rots of western hemlock 090
  • Kimmey, J.W. 1964. Heart rots of western hemlock. Forest Pest Leaflet 90. USDA Forest Service; Washington, D.C. 7 p.

• Red rot of ponderosa pine 123
  • Andrews, S.R. 1971. Red rot of ponderosa pine. Forest Pest Leaflet 123. USDA Forest Service; Washington, D.C. 8 p.

• Rust-red stringy rot caused by the Indian paint fungus 093
  • Filip, G.M.; Goheen, D.J.; and Kimmey, J.W. 2009. Rust-red stringy rot caused by the Indian paint fungus. Forest Insect & Disease Leaflet 93 (revised). USDA Forest Service; Washington, D.C. 11 p.

• Schweinitzii root and butt rot of western conifers 177
  • Hagle, S.K.; and Filip, G.M. 2010. Schweinitzii root and butt rot of western conifers. Forest Insect & Disease Leaflet 177. USDA Forest Service; Washington, D.C. 8 p.

Hardwoods

• Decay and discoloration of aspen 149
  • Worrall, J.J.; and Fairweather, M.L. 2009. Decay and discoloration of aspen. Forest Insect & Disease Leaflet 149 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Heart rots of central region hardwoods 140
  • Berry, F.H. 1973. Heart rots of central region hardwoods. Forest Pest Leaflet 140. USDA Forest Service; Washington, D.C. 8 p.

• White trunk rot of hardwoods 088
  • Ohman, J.H.; and Kessler, K.J., Jr. 1964. White trunk rot of hardwoods. Forest Pest Leaflet 88. USDA Forest Service; Washington, D.C. 7 p

Dwarf mistletoes

• Douglas-fir dwarf mistletoe 054
  • Hadfield, J.S.; Mathiasen, R.L.; and Hawksworth, F.G. 2000. Douglas-fir dwarf mistletoe. Forest Insect & Disease Leaflet 54 (revised). USDA Forest Service; Washington, D.C. 9 p.

• Larch dwarf mistletoe 169
  • Beatty, J.S.; Filip, G.M.; and Mathiasen, R.L. 1997. Larch dwarf mistletoe. Forest Insect & Disease Leaflet 169. USDA Forest Service; Washington, D.C. 7 p.

• Limber pine dwarf mistletoe 171
  • Taylor, J.E.; and Mathiasen, R.L. 1999. Limber pine dwarf mistletoe. Forest Insect & Disease Leaflet 171. USDA Forest Service; Washington, D.C. 8 p.

• Lodgepole pine dwarf mistletoe 018
  • Hawksworth, F.G.; and Dooling, O.J. 1984. Lodgepole pine dwarf mistletoe. Forest Insect & Disease Leaflet 18 (revised). USDA Forest Service; Washington, D.C. 11 p.

Stem & branch rusts

• Comandra blister rust 062
  • Johnson, D.W. 1986. Comandra blister rust. Forest Insect & Disease Leaflet 62 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Western gall rust on hard pines 050
  • Peterson, R.S. 1960. Western gall rust on hard pines. Forest Pest Leaflet 50. USDA Forest Service; Washington, D.C. 8 p.

• White pine blister rust 036
  • Miller, D.R.; Kimmey, J.W.; and Fowler, M.E. 1959. White pine blister rust. Forest Pest Leaflet 36. USDA Forest Service; Washington, D.C. 8 p.

Stem & branch cankers

Conifers

• Atropellis canker of pines 138
  • Lightle, P.C.; and Thompson, J.H. 1973. Atropellis canker of pines. Forest Pest Leaflet 138. USDA Forest Service; Washington, D.C. 6 p.

• Cytospora canker of true firs 146
  • Scharpf, R.F.; and Bynum, H.H. 1975. Cytospora canker of true firs. Forest Pest Leaflet 146. USDA Forest Service; Washington, D.C. 5 p.

Hardwoods

• Cankers on western quaking aspen 152
  • Johnson, D.W.; Beatty, J.S.; and Hinds, T.E. 1995. Cankers on western quaking aspen. Forest Insect & Disease Leaflet 152 (revised). USDA Forest Service; Washington, D.C. 8 p.

• Hypoxylon canker of aspen 006
  • Anderson, R.L.; Anderson, G.W.; and Schipper, A.L., Jr. 1979. Hypoxylon canker of aspen. Forest Insect & Disease Leaflet 6 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Nectria canker of hardwoods 084
  • Brandt, R.W. 1964. Nectria canker of hardwoods. Forest Pest Leaflet 84. USDA Forest Service; Washington, D.C. 7 p.

Foliage & twig diseases

• Diplodia blight of pines 161
  • Peterson, G.W. 1981. Diplodia blight of pines. Forest Insect & Disease Leaflet 161. USDA Forest Service; Washington, D.C. 7 p.

• Dothistroma needle blight of pines 143
  • Peterson, G.W. 1982. Dothistroma needle blight of pines. Forest Insect & Disease Leaflet 143 (revised). USDA Forest Service; Washington, D.C. 6 p.

• Elytroderma disease of ponderosa pine 042
  • Childs, T.W.; Shea, K.R.; and Stewart, J.L. 1971. Elytroderma disease of ponderosa pine. Forest Pest Leaflet 42 (revised). USDA Forest Service; Washington, D.C. 6 p.

• Fir broom rust 087
  • Peterson, R.S. 1964. Fir broom rust. Forest Pest Leaflet 87. USDA Forest Service; Washington, D.C. 7 p.

• Needle discolorations of western larch 061
  • Leaphart, C.D.; and Denton, R.E. 1961. Needle discolorations of western larch. Forest Pest Leaflet 61. USDA Forest Service; Washington, D.C. 7 p.

• Phomopsis blight of junipers 154
  • Peterson, G.W.; and Hodges, C.S., Jr. 1982. Phomopsis blight of junipers. Forest Insect & Disease Leaflet 154 (revised). USDA Forest Service; Washington, D.C. 7 p.

• Swiss needle cast 181
  • Mulvey, R. L.; Shaw, D.C.; Chastagner, G.A. 2013. Swiss needle cast. Forest Insect & Disease Leaflet 181. USDA Forest Service; Washington, D.C. 16p.

Forest nursery pests

• Nursery diseases of western conifers 157
  • Riffle, J.W.; and Smith, R.S., Jr. 1979. Nursery diseases of western conifers. Forest Insect & Disease Leaflet 157 (revised). USDA Forest Service; Washington, D.C. 11 p.

Abiotic decline

• Pole blight of western white pine 016
  • Leaphart, C.D.; Copeland, O.L., Jr.; and Graham, D.P. 1957. Pole blight of western white pine. Forest Pest Leaflet 16. USDA Forest Service; Washington, D.C. 4 p.