An Online Catalog of
Western Forest Insects and Diseases

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Defoliators

General Websites about Defoliators

Conifer Defoliating Insects of British Columbia -- Canadian Forest Service (html)

Foliage Feeding Insects -- www.forestpests.org (website)

sampling, hosts, management principles, management strategies -- B.C. Ministry of Forests (html)

Other Defoliators (many species)

Coleotechnites atrupictella -- Canadian Forest Service (html)

Cypress Leaf Tier -- HForest, Canadian Forest Service (html)

Juniper Webworm -- HForest, Canadian Forest Service (html)

Leafmining Insects (pdf) (or html) -- Colorado State University

Northern Pitch Twig Moth -- HForest, Canadian Forest Service (html)

Pine Needle Sheathminer -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Tolype dayi -- Canadian Forest Service (html)

Western Pine Elfin -- Canadian Forest Service (html)

Cutworms (many species)

Egira simplex -- Canadian Forest Service (html)

Feralia comstocki -- Canadian Forest Service (html)

Redlined Conifer Caterpillar -- Canadian Forest Service (html)

Syngrapha celsa -- Canadian Forest Service (html)

Zale duplicata -- Canadian Forest Service (html)

Cypress Tip Moth (Argyresthia cupressella)

  Cypress Tip Moth -- University of British Columbia (html)

Cypress Tip Moth -- HForest, Canadian Forest Service (html)

Douglas-fir Tussock Moth (Orgyia pseudotsugata)

Douglas-fir Tussock Moth -- Canadian Forest Service (html)

Douglas-fir Tussock Moth -- Forest Insect and Disease Leaflet No. 86 (html)

Douglas-fir Tussock Moth -- Forest Insect and Disease Leaflet No. 86 (pdf)

Douglas-fir Tussock Moths (pdf) (or html) -- Colorado State University

Douglas-fir Tussock Moth -- HForest, Canadian Forest Service (html)

Douglas-fir Tussock Moth -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Douglas-fir Tussock Moth -- University of British Columbia (html)

  Douglas-fir Tussock Moth -- USDA FS Pacific Northwest Region website

Douglas-fir Tussock Moth -- WA State University Forest Health Note (html)

  Douglas-fir Tussock Moth -- www.forestpests.org (website)

animated maps - Oregon -- pheromone trap catches, 1995 - present

animated maps - Washington -- pheromone trap catches, 1995 - present

aerial detection data for B.C. -- download-able files by year

hosts, description, timing, distribution, management strategy -- B.C. Ministry of Forests (html)

Elm Leaf Beetle (Pyrrhalta luteola)

Elm Leaf Beetle (pdf) (or html) -- Colorado State University)

  Elm Leaf Beetle -- www.forestpests.org (website)

Fall Webworm (Hyphantria cunea)

Tent-making Caterpillars (pdf) (or html) -- Colorado State University)

Fall Webworm -- The Bugwood Network (html)

Fall Webworm -- HForest, Canadian Forest Service (html)

  Fall Webworm -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Fall Webworm -- University of British Columbia (html)

  Fall Webworm -- www.forestpests.org (website)

Gypsy Moth (Lymantria dispar)

  Gypsy Moth -- USDA APHIS website

Gypsy Moth -- USDA FS, Northeastern Station website

Gypsy Moth (pdf) (or html) -- Colorado State University

Gypsy Moth -- Forest Insect and Disease Leaflet No. 162 (html)

Gypsy Moth -- HForest, Canadian Forest Service (html)

  Gypsy Moth -- gateway (many links)

Gypsy Moth -- University of British Columbia (html)

  Gypsy Moth -- www.forestpests.org (website)

Gypsy Moths in Ashland USDA FS, SW Oregon FHP Service Center (html)

Gypsy Moth in British Columbia -- Ministry of Forests website

Gypsy Moth in Virginia -- Virginia Tech website

Hemlock Sawfly (Neodiprion tsugae)

  Hemlock Sawfly -- Canadian Forest Service (html)

Hemlock Sawfly -- Forest Insect and Disease Leaflet No. 31 (pdf)

Hemlock Sawfly -- University of British Columbia (html)

  Hemlock Sawfly -- www.forestpests.org (website)

aerial detection data for B.C. -- download-able files by year

Larch Casebearer (Coleophora laricella)

  Larch Casebearer -- Forest Insect and Disease Leaflet No. 96 (html)

Larch Casebearer -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Larch Casebearer -- HForest, Canadian Forest Service (html)

Larch Casebearer -- University of British Columbia (html)

  Larch Casebearer -- www.forestpests.org (website)

Larch Sawfly (Pristiphora erichsonii)

  Larch Sawfly -- Canadian Forest Service (html)

Larch Sawfly -- HForest, Canadian Forest Service (html)

Larch Sawfly -- University of British Columbia (html)

  Larch Sawfly -- www.forestpests.org (website)

Loopers (many species)  

also see Western Hemlock Looper

Brownlined Looper -- Canadian Forest Service (html)

Common Emerald -- Canadian Forest Service (html)

Enypia griseata -- Canadian Forest Service (html)

Enypia venata -- Canadian Forest Service (html)

Eupithecia ornata -- Canadian Forest Service (html)

Eupithecia unicolor -- Canadian Forest Service (html)

  False Hemlock Looper -- www.forestpests.org (website)

Filament Bearer -- Canadian Forest Service (html)

Gabriola dyari -- Canadian Forest Service (html)

Grey Forest Looper -- Canadian Forest Service (html)

Gray Spruce Looper -- HForest, Canadian Forest Service (html)

Greenstriped Forest Looper -- Canadian Forest Service (html)

Green-striped Forest Looper -- HForest, Canadian Forest Service (html)

Green Velvet Looper -- Canadian Forest Service (html)

Larch Looper -- Canadian Forest Service (html)

Nepytia umbrosaria nigrovenaria -- Canadian Forest Service (html)

Pero behrensaria -- Canadian Forest Service (html)

Phantom Hemlock Looper -- Canadian Forest Service (html)

Sabulodes edwardsata -- Canadian Forest Service (html)

Saddleback Looper -- Canadian Forest Service (html)

Synaxis pallulata -- Canadian Forest Service (html)

Thallophaga hyperborea -- Canadian Forest Service (html)

Thera otisi -- Canadian Forest Service (html)

Western False Hemlock Looper -- Canadian Forest Service (html)

Western False Hemlock Looper -- HForest, Canadian Forest Service (html)

Yellowlined Forest Looper -- Canadian Forest Service (html)

Needle Miners (Coleotechnites species)

  Lodgepole Needleminer -- www.forestpests.org (website)

Northern Lodgepole Needleminer -- University of British Columbia (html)

Ponderosa Pine Needle Miners (pdf) (or html) -- Colorado State University

  Ponderosa Pine Needleminer -- www.forestpests.org (website)

Pine Butterfly (Neophasia menapia)

Pine White -- Canadian Forest Service (html)

White Pine Butterfly -- University of British Columbia (html)

  Pine Butterfly -- www.forestpests.org (website)

Ponderosa Pine Budworm (Choristoneura lambertiana var. ponderosana)

Ponderosa Pine Budworm (pdf) (or html) -- Colorado State University

Satin Moth (Leucoma salicis)

Satin Moth -- HForest, Canadian Forest Service (html)

Satin Moth -- University of British Columbia (html)

  Satin Moth -- www.forestpests.org (website)

Sawflies (many species)

also see Hemlock Sawfly, Larch Sawfly

Greenheaded Spruce Sawfly -- Canadian Forest Service (html)

Neodiprion mundus -- Canadian Forest Service (html)

Yellowheaded Spruce Sawfly -- Canadian Forest Service (html)

Silverspotted Tiger Moth (Halisidota argentata)

Silverspotted Tiger Moth -- Canadian Forest Service (html)

Silver-spotted Tiger Moth -- HForest, Canadian Forest Service (html)

  Silver-Spotted Tiger Moth -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Spear-Marked Black Moth (Rheumaptera hastata)

Spear-Marked Black Moth -- Forest Insect and Disease Leaflet No. 156 (html)

  Spear-marked Black Moth -- www.forestpests.org (website)

Tent Caterpillars (Malacosoma species)

Forest Tent Caterpillar -- HForest, Canadian Forest Service (html)

Forest Tent Caterpillar -- University of British Columbia (html)

  Forest Tent Caterpillar -- www.forestpests.org (website)

Forest Tent Caterpillar -- aerial detection data for B.C.

  Pacific Tent Caterpillar -- www.forestpests.org (website)

Northern Tent Caterpillar -- HForest, Canadian Forest Service (html)

Northern Tent Caterpillar -- aerial detection data for B.C.

  Southwestern Tent Caterpillar -- www.forestpests.org (website)

Tent-making Caterpillars (pdf) (or html) -- Colorado State University)

Western Tent Caterpillar -- Oregon Dept. of Forestry, Forest Health Note (pdf)

  Western Tent Caterpillar -- www.forestpests.org (website)

Western Blackheaded Budworm (Acleris gloverana)

  Western Blackheaded Budworm -- Canadian Forest Service (html)

Western Blackheaded Budworm -- HForest, Canadian Forest Service (html)

Western Blackheaded Budworm -- University of British Columbia (html)

Western Blackheaded Budworm -- www.forestpests.org (html)

aerial detection data for B.C. -- download-able files by year

hosts, description, timing, distribution, management strategy -- B.C. Ministry of Forests (html)

Western Hemlock Looper (Lambdina fiscellaria lugubrosa)

  Western Hemlock Looper -- Canadian Forest Service (html)

Western Hemlock Looper -- HForest, Canadian Forest Service (html)

Western Hemlock Looper -- University of British Columbia (html)

aerial detection data for B.C. -- download-able files by year

hosts, description, timing, defoliation history, management strategy -- B.C. Ministry of Forests (html)

Western Spruce Budworm (Choristoneura occidentalis)

Budworms -- HForest, Canadian Forest Service (html)

Western Spruce Budworm -- Canadian Forest Service (html)

Western Spruce Budworms (pdf) (or html) -- Colorado State University

  Western Spruce Budworm (html) or (pdf) -- Forest Insect and Disease Leaflet No. 53

Western Spruce Budworm -- Oregon Dept. of Forestry, Forest Health Note (pdf)

Western Spruce Budworm -- WA State University Forest Health Note (html)

Western Spruce Budworm -- www.forestpest.org (html)

managing western spruce budworm -- past suppression projects (website)

animated defoliation maps -- OR & WA, 1980 to present

aerial detection data for B.C. -- download-able files by year

defoliation trends -- brief summary for Pacific Northwest and westwide (html)

hosts, description, timing, relative risk in B.C., management strategy -- B.C. Ministry of Forests (html)

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Quick links to other pages of our on-line catalog:
  Western Forest Diseases:
[mistletoes] [root diseases] [rots & decays] [foliage diseases] [cankers]
[rusts] [seedling diseases] [general]
Western Forest Insects:
[bark beetles | wood borers] [defoliators] [seed & cone insects]
[shoot, twig, & terminal insects] [sucking insects] [general]

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