Caterpillars of Pacific Northwest
Forests and Woodlands
List of Common and Scientific Names of Host Plants
| Abies amabilis - Pacific silver fir | nettle - Urtica spp. |
| Abies grandis - grand fir | ninebark - Physocarpus capitatus |
| Acer macrophyllum - big-leaf maple | |
| alfalfa - Medicago sativa | ocean spray - Holodiscus discolor |
| Alnus incana - mountain alder | oak - Quercus spp. |
| Alnus rubra - red alder | |
| Amelanchier alnifolia - serviceberry | Pacific dogwood - Cornus nuttalii |
| Arbutus menziesii - madrone | Pacific silver fir - Abies amabilis |
| Arctostaphylos manzanita - manzanita | penstemon - Penstemon |
| Artemisia tridentata - big sagebrush | Penstemon - penstemon |
| Asclepias - milkweed | Philadelphus lewisii - mock orange |
| azalea - Rhododendron occidentale | Physocarpus capitatus- ninebark |
| pine - Pinus spp. | |
| big-leaf maple - Acer macrophyllum | Pinus contorta - lodgepole pine, shore pine |
| big sagebrush - Artemisia tridentata | Pinus monticola - western white pine |
| bitter cherry - Prunus emarginata | Pinus ponderosa - ponderosa pine |
| bitterbrush - Purshia tridentata | Polystichum munitum - sword fern |
| black cottonwood - Populus trichocarpa | Ponderosa pine - Pinus ponderosa |
| black oak - Quercus kelloggii | Populus tremuloides - quaking aspen |
| bleeding heart - Dicentra formosa | Populus trichocarpa - black cottonwood |
| blue elderberry - Sambucus cerulea | Prunus emarginata - bitter cherry |
| blueberry - Vaccinium spp. | Pseudotsuga menziesii - Douglas-fir |
| buckbrush - Ceanothus cuneatus | Purshia tridentata - bitterbrush |
| cascara - Rhamnus purshiana | quaking aspen - Populus tremuloides |
| Canadian thistle - Cirsium arvense | Queen Anne's lace - Dacus carrota |
| Castanopsis chrysophylla - chinquapin | Quercus garryana - white oak |
| Ceanothus cuneatus - buckbrush | |
| Ceanothus integerrimus - tobaccobrush | red alder - Alnus rubra |
| Ceanothus velutinus - snowbrush | red elderberry - Sambucus racemosa |
| chinquapin - Castanopsis chrysophylla | red stem osier - Cornus stolonifera |
| Cirsium arvense - Canadian thistle | Rhamnus purshiana - cascara |
| clover - Trifolium | rhododendron - Rhododendron macrophyllum |
| Cornus nuttalli - Pacific dogwood | Rhododendron macrophyllum - rhododendron |
| Cornus stolonifera - red-stem osier | Rhododendron occidentale - azalea |
| Corylus cornuta - hazel | Ribes cereum - squaw currant |
| Crataegus douglasii - hawthorn | Ribes viscosissimum - sticky currant |
| currant - Ribes spp. | Rosa - rose |
| Cusick's checker-mallow - Sidalcea cusickii | rose - Rosa |
| Cynoglossum occidentale - hound's tongue | Rubus spectabilis - salmonberry |
| Dacus carrota - Queen Anne's lace | salal - Gaultheria shallon |
| dandelion - Taraxicum officinale | Salix - willow |
| Dicentra formosa - bleeding heart | salmonberry - Rubus spectabilis |
| dogwood - Cornus spp. | Sambucus cerulea - blue elderberry |
| Douglas-fir - Pseudotsuga menziesii | Sambucus racemosa - red elderberry |
| Sedum - stonecrop | |
| Epilobium angustifolium - fireweed | Senecio jacobaeae - tansy ragwort |
| serviceberry - Amelanchier alnifolia | |
| fireweed - Epilobium angustifolium | Sidalcea cusickii - Cusick's checker-mallow |
| snowberry - Symphoricarpos albus | |
| Gaultheria shallon - salal | snowbrush - Ceanothus velutinus |
| gooseberry - Ribes spp. | spiraea - Spiraea douglasii |
| grand fir - Abies grandis | Spiraea douglasii - spiraea |
| sticky currant - Ribes viscosissimum | |
| hawthorn - Crataegus douglasii | stonecrop - Sedum spp. |
| hazel - Corylus cornuta | sword fern - Polystichum munitum |
| Holodiscus discolor - ocean spray | Symphoricarpos albus - snowberry |
| hound's tongue - Cynoglossum occidentale | |
| tansy ragwort - Senecio jacobaea | |
| Juniperus occidentalis - western juniper | Taraxicum officinale - dandelion |
| Thuja plicata - western red cedar | |
| Kincaid's lupine - Lupinus sulphureus kincaidii | tobaccobrush - Ceanothus integerrimus |
| Trifolium - clover | |
| lodgepole pine - Pinus contorta | Tsuga heterophylla - western hemlock |
| lotus - Lotus | |
| Lotus - lotus | vetch - Vicia villosa |
| Lupinus sulphureus kincaidii - Kincaid's lupine | Vicia villosa - vetch |
| madrone - Arbutus menziesii | western hemlock - Tsuga heterophylla |
| manzanita - Arctostaphylos manzanita | western juniper - Juniperus occidentalis |
| Medicago sativa - alfalfa | western red cedar - Thuja plicata |
| milkweed - Asclepias | western white pine - Pinus monticola |
| mock orange - Philadelphus lewisii | white oak - Quercus garryana |
| mountain alder - Alnus incana | willow - Salix |
| myrica - Myrica californica | |
| Myrica californica - myrica |
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