BUTTERFLY LARVAL HOST PLANTS BUTTERFLY LARVAL HOST PLANTS English Name Latin Name_________ Clodius Parnassian Parnassius clodius Pacific Bleedingheart (Dicentra formosa); likely Steer's Head (Dicentra uniflora) in some areas; Mountain Parnassian Parnassius smintheus Lanceleaved Stonecrop (Sedum lanceolatum); Western Roseroot (Sedum rosea); Spreading Stonecrop (Sedum divergens); Oregon Stonecrop (Sedum oreganum); Wormleaf Stonecrop (Sedum stenopedalum); Anise Swallowtail Papilio zelicaon Parsley Family (Umbelliferae); Desert Parsley (Lomatium); Cow Parsnip (Heracleum lanatum); Seacoast Angelica (Angelica lucida); other Angelicas; Anise or Fennel (Foeniculum vulgare); Licorice; Caraway (Carum carvi); Carrot; Wild Parsnip (Pastinaca satira); Turpentine Cymopterus (Cymopterus terebinthinus); Fern-leaf Desert Parsley (Lomatium dissectum); Grays Desert Parsley (Lomatium grayi); West. Tiger Swallowtail Papilio rutulus Willow, glabrous-leaved species only (Salix); Hooker Willow (Salix hookeriana); Scouler Willow (Salix scouleriana); Poplar & Aspen (Populus); Red Alder (Alnus rubra); Birch (Betula); Bigleaf Maple (Acer); Cherry & Plum (Prunus sp.); Chokecherry (Prunus virginiana); Apple (Pyrus); Mountain Ash (Sorbis); Canadian Tiger Swallow. Papilio canadensis Willow (Salix); Poplar, Aspen & Cottonwood (Populus); Alder (Alnus); Birch (Betula); Two-tailed Swallowtail Papilio multicaudatus Chokecherry (Prunus virginiana); Ash (Fraxinus); Wild Cherry (Prunus); Serviceberry (Amelanchier alnifolia); Strawberry (Fragaria); Wild Plum (Prunus); Cultivated Hops (Ptelea trifoliata); Pale Swallowtail Papilio eurymedon Mountain Balm (Ceanothus velutinus); Cherry & Plum (Prunus); Hawthorn (Crataegus); Cascara; Currant (Ribes); Red Alder (Alnus rubra); Ocean Spray (Holodiscus discolor); Buckthorn (Rhamnus); Birch (Betula); Serviceberry (Amelanchier alnifolia); Red-stem Ceanothus (Ceanothus sanguineus); Bittercherry (Prunus emarginata); Pine White Neophasia menapia White Pine (Pinus monticola); Yellow Pine (Pinus ponderosa); Douglas Fir (Pseudotsuga menziesii); Balsam Fir (Abies grandis); Lodgepole Pine (Pinus contorta); Western Hemlock (Tsuga heterophylla); Becker's White Pontia beckerii Cruicfers, especially Rockcress (Arabis); Black Mustard (Brassica nigra); Hedge Mustard (Sisymbrium officinale); Golden Prince's Plume (Stanleya pinnata); Thelypody (Thelypodium); Spring White Pontia sisymbrii Rock Cress (Arabis); Tower mustard (Arabis glabra); Forkhaired Rockcress (Arabis furcata); Holboell's Rockcress (Arabis holboellii); Jim Hill Mustard (Sisymbrium altissimum); Hedge Mustard (Sisymbrium officinale); Heart-leaved Streptanthus (Streptanthus cordatus); Checkered White Pontia protodice Mustards (Brassica); Rock Cress (Arabis); Bladder-pod (Lesquerella); Beeplant (Cleome); Peppergrass (Lepidium); Tansy-mustard (Descurainia); Tumble-mustard (Sisymbrium); Labrador Tea (Ledum); Western White Pontia occidentalis Uncultivated members of Mustard Family (Cruifers); Beeplant (Cleome); Mustards (Brassica); Thelypody (Thelypodium); Margined White Pieris marginalis Mustard Family (Crucifers); Cresses (Thlaspi, Arabis, Barbarea); Bittercress (Cardamine); Watercress (Rorippa nasturtium-aquaticum); Rock Cress (Arabis); Cabbage White Pieris rapae Many Mustards (Brassica); Nasturtium; Radish; Bee-plant (Cleome); Cole vegetables (cabbage, cauliflower, broccoli); Page 2 of 8 BUTTERFLY LARVAL HOST PLANTS English Name Latin Name_______________________________________________________________________ Large Marble Euchloe ausonides Rock Cress (Arabis); Winter Cress (Barbarea); Mountain Tansy-mustard (Descurainia richardsonii); Hedge Mustard (Sisymbrium officinale); Wall Flower (Erysimum); Peppergrass (Lepidium) on San Juan Island; Sara Orangetip Anthocharis sara Rock Cress (Arabis) incl. Tower Mustard (Arabis glabra); Drummond's Rockcress (Arabis drummondii); Winter Cress (Barbarea); Sand Fringepod (Thysanocarpus curvipes); Tansy-mustard (Descurainia); Hedge Mustard (Sisymbrium officionale); other mustards (Crucifers); Clouded Sulphur Colias philodice Alfalfa (Medicago sativa); White Clover (Trifolium repens); Red Clover (Trifolium pratense); Vetch (Vicia); Locoweed (Astragalus); aff. Crouching Locoweed (Astragalus aff. Succumbens); Wild Sweet Pea (Lathyrus); Sweet Clover (Melilotus); Sweetvetch (Hedysarum); Lupine (Lupinus); Golden-banner (Thermopsis); Orange Sulphur Colias eurytheme Alfalfa (Medicago sativa); White Clover (Trifolium repens); White Sweet- clover (Melilotus alba); Milk-vetch (Astragalus); Red Clover (Trifolium pratense); Lupines (Lupinus); Vetch (Vicia); other legumes; Queen Alexandra Sulphur Colias alexandra Threadleaf Milkvetch (Astragalus filipes); Canada Milkvetch (Astragalus canadensis); Weedy Milkvetch (Astragalus miser); Woollypod Milkvetch (Astragalus purshii); Freckled Milkvetch (Astragalus lentiginosus); Locoweed (Oxytropis); Mountain Thermopsis (Thermopsis montana); Wild Pea (Lathyrus); Sweet Vetch (Hedysarum); Lupine (Lupinus); Pink-edged Sulphur Colias interior Dwarf Bilbery (Vaccinium myrtillus & Vaccinium caespitosum); Bog Bilberry (Vaccinium uliginosum); Lustrous Copper Lycaena cuprea Docks, including Alpine Sorrel (Rumex pauciflorus); Mountain Sorrel (Oxyria digyna); Blue Copper Lycaena heteronea Round-headed Desert Buckwheat (Eriogonum sphaerocephalum); Northern Buckwheat (Eriogonum compositum); Sulfur Flower (Eriogonum umbellatum); Barestem Buckwheat (Eriogonum nudum); Slenderbush Buckwheat (Eriogonum microthecum); Strict Buckwheat (Eriogonum strictum); Parsley Desert Buckwheat (Eriogonum heracleoides); Purplish Copper Lycaena helloides Knotweed (Polygonum); Sheep Sorrel (Rumex acetosella); Cinquefoil (Potentilla); Dock (Rumex); probably Black Knotweed (Polygonum paronychia) on coast; Curly Dock (Rumex crispus); Water Smartweed (Polygonum amphibium); Lilac-bordered Copper Lycaena nivalis Douglas's Knotweed (Polygonum douglasii); has been reared on Bitter Dock (Rumex obtusifolius); Mariposa Copper Lycaena mariposa Dwarf Bilberry (Vaccinium caespitosum); Wild Cranberry (Vaccinium oxycoccos); Bog Blueberry (Vaccinium uligonosum); Bog-rosemary (Andromeda polifolia); Not Polygonum as reported in literature; Coral Hairstreak Satyrium titus Chokecherry (Prunus virginiana); Wood's Rose (Rosa woodsii); Western Serviceberry (Amelanchier alnifolia); probably other Prunus sp.; Behr's Hairstreak Satyrium behrii Bitterbrush (Purshia tridentata); California Hairstreak Satyrium californica Bitterbrush (Purshia tridentata); Mountain Balm (Ceanothus velutinus); Mountain Mahogany (Cercocarpus); Oak (Quercus); maybe Chokecherry (Prunus virginiana); Sylvan Hairstreak Satyrium sylvinum Coyote Willow (Salix exigua); Hedgerow Hairstreak Satyrium saepium Mountain Balm (Ceanothus velutinus); Redstem Ceanothus (Ceanothus sanguineus); Page 3 of 8 BUTTERFLY LARVAL HOST PLANTS English Name Latin Name_______________________________________________________________________ Western Green Hairstreak Callophrys affinis Round-headed Desert Buckwheat (Eriogonum sphaerocephalum); reared on Tall Buckwheat (Eriogonum elatum); Sheridan's Hairstreak Callophrys sheridanii Northern Buckwheat (Eriogonum compositum); Tall Buckwheat (Eriogonum elatum); probably other buckwheats; Thicket Hairstreak Mitoura spinetorum Western Dwarf Mistletoe (Arceuthobium campylopodum) mostly on Yellow Pine (Pinus ponderosa); American Dwarf Mistletoe (Arceuthobium americanum); Cedar Hairstreak Mitoura grynea Western Red Cedar (Thuja plicata) for ssp. rosnerae in western WA; Western Juniper (Juniperus occidentalis) and Rocky Mountain Juniper (Juniperus scopulorum) for ssp. barryi in eastern WA; Brown Elfin Incisalia augustinus Salal (Gaultheria shallon); Mountain Balm (Ceanothus velutinus); Redstem Ceanothus (Ceanothus sanguineus); Blueberry (Vaccinium sp.); Kinnikinnick (Arctostaphylos uva-ursi); Pacific Madrone (Arbutus menziesii); Manzanita (Arctostaphylos); Dodder (Cuscuta); Apple (Pyrus); Bitterbrush (Purshia tridentata); probably Stonecrops (Sedum); Ocean Spray (Holodiscus discolor); Moss's Elfin Incisalia mossii Lanceleaved Stonecrop (Sedum lanceolatum); Spatula-Leafed Stonecrop (Sedum spathulifolium); Spreading Stonecrop (Sedum divergens); Oregon Stonecrop (Sedum oregonum); King's Crown (Sedum rosea); Hoary Elfin Incisalia polia Kinnikinnick (Arctostaphylos uva-ursi); Western Pine Elfin Incisalia eryphon Ponderosa Pine (Pinus ponderosa); Lodgepole Pine (Pinus contorta); Gray Hairstreak Strymon melinus Flowers of a wide variety of plants; Tall Buckwheat (Eriogonum elatum); Big Deervetch (Lotus crassifolius); Red Clover (Trifolium pratense); White Clover (Trifolium repens); Long-stalked Clover (Trifolium longipes); Rosaceous plants; Oak (Quercus); Cultivated corn; Strawberry (Fragaria); Hops (Humulus); Cultivated beans; Knotweed (Polygonum); Spreading Stonecrop (Sedum divergens); Lanceleaved Stonecrop (Sedum lanceolatum); Oregon Stonecrop (Sedum oregonum); King's Crown (Sedum rosea); Eastern Tailed Blue Everes comyntas Various legumes; Wild Pea (Lathyrus); Rattlepod & Milk-vetches (Astragalus); Vetch (Vicia); Deer Vetch (Lotus); Birdsfoot Trefoil (Lotus corniculatus); Sweet-clover (Melilotus); Lupine (Lupinus); Red Clover (Trifolium pratense); White Clover (Trifolium repense); Western Tailed Blue Everes amyntula Wild Pea (Lathyrus); Rattlepod (Astragalus); Vetch (Vicia); American Vetch (Vicia americana); English name uncertain (Lathyrus nevadensis); Echo Blue Celastrina echo Red Osier Dogwood (Cornus stolonifera); Mountain Balm (Ceanothus velutinus); Oak (Quercus); Spiraea (Spiraea); Pacific