Directory with photos and links for all of Oregon's butterflies in the skipper family. Skippers Click photo for more details Silver-spotted Skipper Epargyreus clarus Mojave Sootywing Hesperopsis libya Two-Banded Checkered-Skipper Pyrgus ruralis Common Roadside Skipper Amblyscirtes vialis Lindsey's Skipper Hesperia lindseyi Sonoran Skipper Polites sonora Dun Skipper Euphyes vestris Northern Cloudywing Thorybes pylades Dreamy Duskywing Erynnis icelus Common Checkered-Skipper Burnsius communis Uncas Skipper Hesperia uncas Nevada Skipper Hesperia nevada Sachem Skipper Atalopedes campestris Western Cloudywing Thorybes diversus Propertius Duskywing Erynnis propertius Northern White Skipper Heliopetes ericetorum Juba Skipper Hesperia juba Peck's Skipper Polites peckii Woodland Skipper Ochlodes sylvanoides Nevada Cloudywing Thorybes nevada Pacuvius Duskywing Erynnis pacuvius Arctic Skipper Carterocephalus skada Western Branded Skipper Hesperia colorado Sandhill Skipper Polites sabuleti Rural Skipper Ochlodes agricola Common Sootywing Pholisora catullus Persius Duskywing Erynnis persius Garita Skipperling Oarisma garita Columbian Skipper Hesperia columbia Mardon Skipper Polites mardon Yuma Skipper Ochlodes yuma

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Lareg Marble butterfly. Gallery Prev Next Hat Point Rd, Wallowa Co, June 30 Large Marble Euchloe ausonides Size: Up to 1.75 inches wingspan Key ID features: Above, milk-white with black pattern on FW tip and narrow black bar in forewing cell, sometimes with light white scaling. Below, bold green marbling with yellow wash against white background and yellow veins. Similar species: California Marble and Desert Marble are smaller. California Marble has pearly or shiny look to white areas on VHW, and green marbling is often darker. Desert Marble lacks white scaling on forewing cell bar, and DFW tip markings often black rather than dark gray. Host plant: Many cruciferous species. Habitat: Open montane and foothill slopes, dry meadows and canyons, sage steppe habitats. Range: All of eastern Oregon and southwestern Oregon south of Douglas County. Season: Late March to late July Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Mardon Skipper butterfly. Gallery Prev Next Soda Mtn Rd, Jackson Co, July 5 - ssp. klamathensis Mardon Skipper Polites mardon Size: Up to 1 inch wingspan Key ID features: Compact, rounded wings. Above orange and brown, males with small stigmata. HW below brown with neat arc of yellow bars forming a curved band, and one or two additional light spots near wing base . Similar species: HW pattern below is somewhat similar to Sonoran Skipper, which has longer, narrower wings and HW spots that are more rounded and less distinct. Host plant: Grass species, especially fescues, including Idaho fescue (Festuca idahoensis ), red fescue (Festuca rubra ) and Roemer's fescue (Festuca roemeri ). Habitat: Ponderosa pine openings, Ceanothus patches. Range: Coastal Curry County, Cascade Siskiyou National Monument. Season: Mid-May to early August Abundance: Rare Conservation Status: Federal Species of Concern; designated Imperiled in Oregon

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Lindsey's Skipper butterfly. Gallery Prev Next Kinney Cr Rd, Jackson Co, May 28 Lindsey's Skipper Hesperia lindseyi Size: Up to 1.25 inch wingspan Key ID features: Above, bright orange. Female relatively unmarked, male with vague dark borders, narrow stigmata on FW. Below greenish tan with disjointed white (female) or yellowish (male) spot bands--spots angular, veins lined with pale (not bright) scales. Similar species: Sandhill Skipper smaller, with larger light areas below. Uncas Skipper range does not overlap. Host plant: Lupines, grasses, oaks. Habitat: Oak woodland and dry shrubby habitats with grasses. Range: Jackson County and Josephine counties, southern Klamath County, Warner Mtns. Season: Early June to mid-July Abundance: Locally common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Chalcedona Checkerspot butterfly. Gallery Prev Next Kinney Cr Rd, Jackson Co, May 26 Chalcedona Checkerspot Euphydryas chalcedona Size: Up to 2.75 inch wingspan Key ID features: Above black with alternating red and white spot bands separated by black lines. HW below has red and white bands, which, from the margin run red-white-red-white-white. Submarginal spot band on dorsal HW has larger pale ivory spots than other similar species. Similar species: Edith's checkerspot has red-white-red-red-white band pattern on HW below. Snowberry Checkerspot has smaller spots in the submarginal band on the dorsal HW. Hostplant: Several species in the figwort family, including paintbushes (Castilleja ), penstemons, and monkeyflowers . Habitat: Mountains and high canyons. Range: Warner Mtns, southern Klamath Mtns and in Jackson and Josephine counties along the border with CA . Season: Late April to early August Abundance: Locally common Conservation Status: Secure

Directory with photos and links for all of Oregon's butterflies in the coppers, hairstreaks and blues families. Coppers, Hairstreaks & Blues Click photo for more details American Copper Lycaen a hypophlaeas Gorgon Copper Tharsalea gorgon Mariposa Copper Tharsalea mariposa Behr's Hairstreak Satyrium behrii Mountain Mahogany Hairstreak Satyrium tetra Cedar/Juniper Hairstreak Callophrys gryneus Hoary Elfin Callophrys polios Arrowhead Blue Glaucopsyche piasus Pacific Dotted Blue Euphilotes enoptes Eastern Tailed Blue Cupido comyntas Acmon Blue Icaricia acmon Sierra Nevada Blue Agriades podarce Lustrous Copper Lycaena cupreus Ruddy Copper Tharsalea rubidus Golden Hairstreak Habrodais grunus California Hairstreak Satyrium californica Hedgerow Hairstreak Satyrium saepium Thicket Hairstreak Callophrys spinetorum Western Pine Elfin Callophrys eryphon Silvery Blue Glaucopsyche lygdamus Columbian Blue Euphilotes columbiae Western Tailed Blue Cupido amyntula Lupine Blue Icaricia lupini Mormon Metalmark Apodemia mormo Tailed Copper Tharsalea arota Blue Copper Tharsalea heteronea Great Purple Hairstreak Atlides halesus Sylvan Hairstreak Satyrium sylvinus Western Green Hairstreak Callophrys affinis Johnson's Hairstreak Callophrys johnsoni Gray Hairstreak Strymon melinus Summit Blue Euphilotes glaucon Ancilla Blue Euphilotes ancilla Greenish Blue Icaricia saepiolus Northern Blue Plebejus idas Edith's Copper Tharsalea editha Purplish Copper Tharsalea helloides Sooty Hairstreak Satyrium fuliginosa Coral Hairstreak Satyrium titus Bramble Hairstreak Callophrys dumetorum Brown Elfin Callophrys augustinus Echo Azure Celastrina echo Cascadia Blue Euphilotes heracleoides Leona's Blue Philotiella leona Boisduval's Blue Icaricia icarioides Anna's Blue Plebejus anna Great Copper Tharsalea xanthoides Lilac-bordered Copper Tharsalea nivalis Half-moon Hairstreak Satyrium semiluna Gold-hunter's Hairstreak Satyrium auretorum Sheridan's Hairstreak Callophrys sheridanii Moss's Elfin Callophrys mossii Asher's Blue Celastrina asheri Bauer's Blue Euphilotes baueri Western Pygmy Blue Brephidium exilis Shasta Blue Icaricia shasta Melissa's Blue Plebejus melissa

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Leona's Little Blue butterfly. Gallery Prev Next Doral View Sand Cr drainage, Klamath Co, July 6 Leona's Little Blue Philotiella leona AKA: Euphilotes leona Leona Blue Size: Up to 0.75 inches wingspan Key ID features: Small. Males dusky blue above with darker wing borders. Female dark brown. Below white or off-white with bold black spots, larger on FW, boldly checked fringes on FW. Similar species: No other similar species in Oregon. Host plant: Eriogonum spergulinum (Spurry buckwheat). Habitat: Pumice lands east of Crater Lake near host plant. Range: 6 square mile area east of Crater Lake. Season: Mid-June to late July Abundance: Uncommon Conservation Status: USFS Sensitive Species. Was proposed to be listed as Endangered under Federal Endangered Species Act, but after a 5-year review, listing was judged to be "not warranted."

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Anise Swallowtail butterfly. Gallery Prev Next Hat Point Road, Wallowa Co, June 28 Anise Swallowtail Papilio zelicaon Size: 2.5 - 3.0 inches wingspan Key ID features: Black with broad buttery yellow bands, twisted tails, black abdomen with narrow yellow side-stripes. Below similar pattern, with paler yellow ground color and reddish-orange halos on some of the black-bordered blue chevrons. Similar species: Oregon Swallowtail, which is larger, more lemony yellow, abdomen yellow with narrow black stripe on top and bottom. On Anise, black spot inside red spot near tail is in the middle of the red, whereas on the Oregon Swallowtail, its on the edge of the red. Host plant: Many species in the parsley family, including many native Lomatium species. Habitat: Variety of open areas, including wetlands, dunes, mountaintops, roadsides, and disturbed areas Range: Throughout Oregon. Season: Late February - mid-September Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Half-moon Hairstreak butterfly. Gallery Prev Next Three Creeks Lake, Deschutes Co, August 6 Half-Moon Hairstreak Satyrium semiluna AKA Sagebrush Sooty Hairstreak Size: 1.0 - 1.25 inches wingspan Key ID features: Both sexes dull gray above and below. Below, median band of small dark spots with white halos, and submarginal band of black spots with halos. No tails. Similar species: May be confused with a female Boisduval's blue, which has some blue below (Half-moon has no blue), white fringes, and usually one to three black basal spots on HW below. Range does not overlap with closely related Sooty Hairstreak. Host plant: Lupines (Lupinus ) . Habitat: Subalpine meadows, high ridges, sage steppe, open slopes. Range: East of the Cascades except Columbia basin in Gilliam, Morrow and Umatilla counties. Season: Mid-May to early September Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Columbian Skipper butterfly. Gallery Prev Next Kinney Cr Rd, Jackson Co, May 27 Columbian Skipper Hesperia columbia Size: Up to 1.4 inch wingspan Key ID features: Above, bright orange often with deeply toothed dark border, male with dark stigmata on FW, female with dark patch in same location. Below greenish tan with reduced disjointed white bands, inner band reduced to a couple of spots. Similar species: Other grass skippers have bolder, more extensive white bands below. Host plant: Various grass species. Habitat: Dry shrubby habitats. Range: Jackson County and southern Josephine County. Season: Early May to mid-October Abundance: Uncommon Conservation Status: Secure

Here you will find the additional online resources for butterflies in Oregon and Lane County. Resources - Online Northwest Butterflies Caitlin Labar's lovely and informative website on the butterflies of Oregon and Washington. Visit and you will learn a lot! Butterflies of America A comprehensive guide to the butterflies of North, Central and South America. Photos of pinned specimens and some live butterfly species, covering all described species and recognized taxa including subspecies. Very helpful for our Greater Fritillaries here in Oregon (Speyeria sp.). Lane County Butterfly Club (Chapter of NABA) The new website for the only Oregon chapter of the North American Butterfly Association. Find out about their series of presentations in winter, their summer field trips, butterfly counts and other activities. Washington Butterfly Association Facebook page for the large and lively state of Washington Butterfly Association. Keep up to date on their presentations in winter and their field trips in summer, and other activities. Oregon Zoo: Taylor's Checkerspot A webpage describing how the Oregon Zoo is contributing to the conservation of this endangered Northwest butterfly. Conserving Oregon Monarchs Learn about the State of Oregon's plan for conserving Monarchs in Oregon. Oregon Silverspot Butterfly Visit the US Fish and Wildlife Service's page on the endangered Oregon Silverspot. Fender's Blue Visit the US Fish and Wildlife Service's page on the endangered Fender's Blue. Conservation of Prairie-Oak Butterflies in Oregon, Washington, and British Columbia Online article about conservation status and measures for Fender's blue (Icaricia icarioides fenderi ), Taylor's checkerspot (Euphydryas editha taylori ), Mardon skipper (Polites mardon ), island marble (Euchloe ausonides insulanus) , and Oregon silverspot (Speyeria zerene hippolyta ), and a brief review of 10 additional at-risk butterfly species in the ecoregion. Xerces Society Get plugged in to the first and foremost conservation organization for butterflies and other invertebrates. They do great work in education, advocacy, and conservation planning. Please support them!

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the American Lady butterfly. Gallery Prev Next Westlake Boat Ramp, Lane Co, October 20 American Lady Vanessa virginiensis Size: Up to 2.25 inch wingspan Key ID features: Above bright orange with black FW tips that contain a vertical white bar and a few small white spots. HW above orange with submarginal row of black spots with blue centers. Below, HW gray brown with two large eye spots, and web of white lines. FW below has bright salmon orange crossed by black. Similar species: Other lady species have several small eyespots on HW below. Hostplant: Pearly everlasting (Anaphalis margaritacea ), pussytoes (Antennaria ) and many other species . Habitat: Sunny meadows, roadsides, fields, and parks. Range: Throughout Oregon except far north on the east side of Cascades . Season: M id-April to early November. Abundance: Common Conservation Status: Secure