An Online Catalog of
Western Forest Insects and Diseases
general information
other defoliators
cutworms
cypress tip moth
Douglas-fir tussock moth
elm leaf beetle
fall webworm
gypsy moth
hemlock sawfly
larch casebearer
larch sawfly
loopers
needle miners (Coleotechnites spp)
pine butterfly
Ponderosa pine budworm
satin moth
sawflies
silverspotted tiger moth
spearmarked black moth
tent caterpillars
western blackheaded budworm
western hemlock looper
western spruce budworm
We're always looking for new links to add to
this collection!
Contact our websteward
for more information.
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When several links are available, 
indicates a key link.
Defoliators
General Websites about Defoliators
Foliage Feeding Insects -- www.forestpests.org (website)
sampling, hosts, management principles, management strategies -- B.C. Ministry of Forests
Other Defoliators (many species)
Coleotechnites atrupictella -- Natural Resources Canada
Cypress Leaftier -- Natural Resources Canada
Juniper Webworm -- Natural Resources Canada
Leafmining Insects (or html) -- Colorado State University
Northern Pitch Twig Moth -- Natural Resources Canada
Pine Needle Sheathminer -- Oregon Dept. of Forestry, Forest Health Note
Tolype dayi -- Natural Resources Canada
Western Pine Elfin -- Natural Resources Canada
Cutworms (many species)
Egira simplex -- Natural Resources Canada
Feralia comstocki -- Natural Resources Canada
Redlined Conifer Caterpillar -- Natural Resources Canada
Syngrapha celsa -- Natural Resources Canada
Zale duplicata -- Natural Resources Canada
Cypress Tip Moth (Argyresthia cupressella)
Cypress Tip Moth -- University of British Columbia
Cypress Tip Moth -- Natural Resources Canada
Douglas-fir Tussock Moth (Orgyia pseudotsugata)
Douglas-fir Tussock Moth -- Forest Insect and Disease Leaflet No. 86
Douglas-fir Tussock Moths (or html) -- Colorado State University
Douglas-fir Tussock Moth -- Natural Resources Canada
Douglas-fir Tussock Moth -- Oregon Dept. of Forestry, Forest Health Note
Douglas-fir Tussock Moth -- University of British Columbia
Douglas-fir Tussock Moth -- USDA FS
Pacific Northwest Region website
Douglas-fir Tussock Moth -- WA State University Forest Health Note
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
Elm Leaf Beetle (Pyrrhalta luteola)
Elm Leaf Beetle (or html) -- Colorado State University)
Elm Leaf Beetle -- www.forestpests.org (website)
Fall Webworm (Hyphantria cunea)
Tent-making Caterpillars (or html) -- Colorado State University)
Fall Webworm -- The Bugwood Network
Fall Webworm -- Natural Resources Canada
Fall Webworm
-- Oregon Dept. of Forestry, Forest Health Note
Fall Webworm -- University of British Columbia
Fall Webworm -- www.forestpests.org (website)
Gypsy Moth (Lymantria dispar)
Gypsy Moth
-- USDA APHIS website
Gypsy Moth -- USDA FS, Northeastern Station website
Gypsy Moth (or html) -- Colorado State University
Gypsy Moth -- Forest Insect and Disease Leaflet No. 162
Gypsy Moth -- Natural Resources Canada
Gypsy Moth -- gateway (many links)
Gypsy Moth -- University of British Columbia
Gypsy Moth -- www.forestpests.org (website)
Gypsy Moths in Ashland USDA FS, SW Oregon FHP Service Center
Gypsy Moth in British Columbia -- Ministry of Forests website
Hemlock Sawfly (Neodiprion tsugae)
Hemlock Sawfly -- Natural Resources Canada
Hemlock Sawfly -- Forest Insect and Disease Leaflet No. 31
Hemlock Sawfly -- University of British Columbia
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
Larch Casebearer -- Oregon Dept. of Forestry, Forest Health Note
Larch Casebearer -- Natural Resources Canada
Larch Casebearer -- University of British Columbia
Larch Casebearer -- www.forestpests.org (website)
Larch Sawfly (Pristiphora erichsonii)
Larch Sawfly -- Natural Resources Canada
Larch Sawfly -- University of British Columbia
Larch Sawfly -- www.forestpests.org (website)
Loopers (many species)
also see Western Hemlock Looper
Brownlined Looper -- Natural Resources Canada
Common Emerald -- Natural Resources Canada
Enypia griseata -- Natural Resources Canada
Enypia venata -- Natural Resources Canada
Eupithecia ornata -- Natural Resources Canada
Eupithecia unicolor -- Natural Resources Canada
False Hemlock Looper -- www.forestpests.org (website)
Filament Bearer -- Natural Resources Canada
Gabriola dyari -- Natural Resources Canada
Gray Forest Looper -- Natural Resources Canada
Gray Spruce Looper -- Natural Resources Canada
Greenstriped Forest Looper -- Natural Resources Canada
Green-striped Forest Looper -- Natural Resources Canada
Green Velvet Looper -- Natural Resources Canada
Nepytia umbrosaria nigrovenaria -- Natural Resources Canada
Pero behrensaria -- Natural Resources Canada
Phantom Hemlock Looper -- Natural Resources Canada
Sabulodes edwardsata -- Natural Resources Canada
Saddleback Looper -- Natural Resources Canada
Synaxis pallulata -- Natural Resources Canada
Thallophaga hyperborea -- Natural Resources Canada
Thera otisi -- Natural Resources Canada
Western False Hemlock Looper -- Natural Resources Canada
Yellowlined Forest Looper -- Natural Resources Canada
Needle Miners (Coleotechnites species)
Lodgepole Needleminer -- www.forestpests.org (website)
Northern Lodgepole Needleminer -- University of British Columbia
Ponderosa Pine Needle Miners (or html) -- Colorado State University
Ponderosa Pine Needleminer -- www.forestpests.org (website)
Pine Butterfly (Neophasia menapia)
Pine White -- Natural Resources Canada
White Pine Butterfly -- University of British Columbia
Pine Butterfly -- www.forestpests.org (website)
Ponderosa Pine Budworm (Choristoneura lambertiana var. ponderosana)
Ponderosa Pine Budworm (or html) -- Colorado State University
Satin Moth (Leucoma salicis)
Satin Moth -- Natural Resources Canada
Satin Moth -- University of British Columbia
Satin Moth -- www.forestpests.org (website)
Sawflies (many species)
also see Hemlock Sawfly, Larch Sawfly
Greenheaded Spruce Sawfly -- Natural Resources Canada
Neodiprion mundus -- Natural Resources Canada
Yellowheaded Spruce Sawfly -- Natural Resources Canada
Silverspotted Tiger Moth (Halisidota argentata)
Silver-spotted Tiger Moth -- Natural Resources Canada
Silver-Spotted Tiger
Moth -- Oregon Dept. of Forestry, Forest Health Note
Spear-Marked Black Moth (Rheumaptera hastata)
Spear-Marked Black Moth -- Forest Insect and Disease Leaflet No. 156
Spear-marked Black Moth -- www.forestpests.org (website)
Tent Caterpillars (Malacosoma species)
Forest Tent Caterpillar -- Natural Resources Canada
Forest Tent Caterpillar -- University of British Columbia
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 -- Natural Resources Canada
Northern Tent Caterpillar -- aerial detection data for B.C.
Southwestern Tent Caterpillar -- www.forestpests.org (website)
Tent-making Caterpillars (or html) -- Colorado State University)
Western Tent Caterpillar -- Oregon Dept. of Forestry, Forest Health Note
Western Tent Caterpillar -- www.forestpests.org (website)
Western Blackheaded Budworm (Acleris gloverana)
Western Blackheaded Budworm -- Natural Resources Canada
Western Blackheaded Budworm -- University of British Columbia
Western Blackheaded Budworm -- www.forestpests.org
aerial detection data for B.C. -- download-able files by year
hosts, description, timing, distribution, management strategy -- B.C. Ministry of Forests
Western Hemlock Looper (Lambdina fiscellaria lugubrosa)
Western Hemlock Looper -- Natural Resources Canada
Western Hemlock Looper -- University of British Columbia
aerial detection data for B.C. -- download-able files by year
hosts, description, timing, defoliation history, management strategy -- B.C. Ministry of Forests
Western Spruce Budworm (Choristoneura occidentalis)
Budworms -- Natural Resources Canada
Western Spruce Budworms (or html) -- Colorado State University
Western Spruce
Budworm or -- Forest Insect
and Disease Leaflet No. 53
Western Spruce Budworm -- Oregon Dept. of Forestry, Forest Health Note
Western Spruce Budworm -- WA State University Forest Health Note
Western Spruce Budworm -- www.forestpest.org
managing western spruce budworm -- past suppression projects
animated defoliation maps -- OR & WA, 1980 to present
aerial detection data for B.C. -- download-able files by year
hosts, description, timing, relative risk in B.C., management strategy -- B.C. Ministry of Forests
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]
