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

Here you will find the most valuable field guides and printed information sources for butterflies in Oregon and Lane County. Resources: Books New All-Color 5th Edition Finding Lane County Butterflies The new 5th Edition is a significant overhaul of the original book, with 5 new important sites added, 45 new color photos, 10 new color maps, and hundreds of clarifications and improvements throughout. It now includes 30 of the best sites for butterflies in Lane County (and a few just over the line in Linn County). For each site, it describes when to go, how to get there, and which species you are likely to find there. Using this guide, you can, with some luck, find most of Lane County's more than 100 species. Order yours now from the Lane County Butterfly Club. 100% of sales proceeds benefit the Lane County Butterfly Club. Butterflies of Oregon: An Atlas Honoring John Hinchliff by Jeffrey C. Miller, Paul C. Hammond, Dana N.R. Ross and Neil H. Bjorklund This 2-volume set raises the standard for presenting the current state of our knowledge about Oregon's butterfly species and subspecies and where they are found in our state. Volume 1 (Species Distribution) 218 pages 8.5" x 11", 177 maps, 354 color photos Contains full color distribution maps for each species, and each subspecies. Volume 2 (Synthesis) 290 pages 8.5" x 11", 45 full color maps,108 color photos A virtual road tour for exploring Oregon butterflies Discussion of relationship between butterflies and Oregon's environments Exploration of site record counts, and where they do and don't occur Discussion of patterns in butterfly distribution Discussion of caterpillar foodplant relationships Two volume set $95 plus shipping. To order, send an email to: oregonbutterflyatlas2026@gmail.com Anchor Atlas Butterflies of Lane County When it was first released in 2002, this pocket-sized field ID guide to the butterflies of Lane County, Oregon was the first of its kind. Other similar "pocket guides" have appeared around the country as publishers realize that people don't want to carry around a 5-pound book in the field. This guide will be replaced by an all new field identification guide that covers all of the Willamette Valley and adjoining foothills-planned to be released in 2026. Sold through the Lane County Butterfly Club. Proceeds from sales benefit the Lane County Butterfly Club. Available from Lane County Butterfly Club . This is the definitive guide for identifying the butterflies of Oregon and Washington. It's chock-full of information about each species, with maps, history, biological information and more. It won't fit in your pocket, but you'll want a copy for reference anyway. Available from Amazon.com . Butterflies of the Pacific Northwest By Robert Michael Pyle and Caitlin LaBar. This is the latest and most comprehensive guide for identifying the butterflies of Oregon and Washington. It's chock-full of information about each species, with maps, history, biological information and more. It won't fit in your pocket, but you'll definitely want a copy anyway. Available from Amazon.com . Butterflies of the Pacific Northwest This is the definitive guide for identifying the butterflies of Oregon and Washington. It's chock-full of information about each species, with maps, history, biological information and more. It won't fit in your pocket, but you'll want a copy for reference anyway. Available from Amazon.com . Butterflies of Oregon Their Taxonomy, Distribution, and Biology By Andrew Warren. This thorough scientific work provides the most in-depth coverage of Oregon's butterfly species and set the groundwork for taxonomy studies and books that followed it. For a deeper dive into Oregon's butterflies, this is your "go to" source. Available from Amazon.com . Warren Book Pocket Guide to the Butterflies of Washington, 3rd ed By Caitlin LaBar. This is a great field guide for identifying the butterflies of Washington. So small and light there's no reason not to take it into the field with you! Available from Amazon.com .

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Common Checkered Skipper. Gallery Prev Next Illinois River Rd, Josephine Co, April 23 Common Checkered Skipper Burnsius communis Size: Up to 1 inch wingspan Key ID features: Above, very dark brown, with gray shading basally on FW, boldly checked fringes and numerous bright white patches (longer than on Two-Banded) . Overall lighter than Two-Banded due to more white patches. Below large white patches, with jagged brown bands, edged in darker brown. Similar species: Two-Banded Checkered Skipper is darker, has fewer white spots above and less white below. Host plant: Various species in the mallow family. Habitat: Found in a wide variety of habitats, both disturbed and undisturbed. Range: All of Oregon except the far NW corner. Season: Mid-April to mid-September Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Red Admiral butterfly. Gallery Prev Next Sand Cr, Klamath Co, June 25 Red Admiral Vanessa atalanta AKA Red Admirable Size: Up to 2.5 inch wingspan Key ID features: Unmistakable. Above black with red-orange band across FW, and white bar and spots near FW tip. HW above black with orange-red marginal band with small black spots and two black ringed blue spots at the anal angle. HW below a mosaic of brown, gray and black, with a thin paleblue submarginal line. FW below bold pinkish orange band as above, below band mostly black, above band black with white bar and spots and blue ring, wingtip mottled grays and browns with small spots. Similar species: Unlike any other species. Hostplant: Stinging nettle (Urtica dioica ) . Habitat: May be found in any habitat. Range: Throughout Oregon . Season: Any time of year, but mostly May to October. Abundance: Uncommon Conservation Status: Secure

Butterflies of Oregon has exquisite photos and information about all of Oregon's native butterfly species, covering the identification, distribution and biology of each species. A lively blog provides seasonal stories and updates from the field. Butterflies of Oregon Welcome to Butterflies of Oregon, a resource for Oregon butterfly enthusiasts, with photos of all of Oregon's regularly occurring butterfly species and information to help you find and identify them. Butterflies of Oregon also shares stories of the author's attempt to photograph all of Oregon's butterfly species in the wilds of Oregon. Thanks for visiting! www.butterfliesoforegon.com Subscribe to Blog Thanks for submitting! Email Us

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Propertius Duskywing butterfly. Gallery Prev Next W Boundary Rd, Lane Co, April 26 - female Propertius Duskywing Erynnis propertius Size: Up to 1.75 inch wingspan Key ID features: Our largest duskywing. Above, FW gray-brown with frosted bands and spots, 3-6 hyaline (glassy, translucent) spots on FW . FW often appears banded, especially in females. HW plainer gray-brown sometimes with vague light spots. Below brown with light spots and hyaline spots on FW, few to no small vague spots on HW. Similar species: Other duskywings are smaller, and generally less boldy marked. Host plant: Oak species, especially Oregon White Oak (Quercus garryana ), and golden chinkapin (Chrysolepis chrysophylla ) at higher elevations. Habitat: Open areas near oaks or chinkapin. Range: Western Oregon from Cascade Crest to crest of Coast Range. Season: Late March to mid-July Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Mustard White butterfly. Gallery Prev Next Plunkett Cr, Benton Co, July 31 Mustard White Pieris marginalis AKA Margined White Size: 1.25 - 1.5 inches wingspan Key ID features: Above milky-white, with black shading basally (near the thorax). Below, hindwing veins faintly lined with brownish black bands, bolder in spring. Summer brood males usually nearly pure white. Similar species: Cabbage White has black spot in center of FW. Host plant: Cresses, toothworts and other mustard species. Habitat: Openings in moist forests, usually coniferous. Range: Throughout western Oregon west of the Cascades, and in Ochoco, Wallowa Blue, and Warner Mtns. Season: Late March to early October Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Johnson's Hairstreak butterfly. Gallery Prev Next Deception Creek, Lane Co, June 26 Johnson's Hairstreak Callophrys johnsoni Size: 1.25 - 1.5 inches wingspan Key ID features: Above both sexes brown. Below chocolate brown. Long tails on HW. White median line containing flattened "W" near white-tipped tails, and submarginal row of black spots (sometimes vague) along half of trailing margin of HW. Similar species: Thicket HS has more prominent "W" (or "M") in white median line, is blue above, and submarginal spots on HW below run entire length of trailing margin. Host plant: Dwarf mistletoes that grow on Western Hemlock and Grand fir (in the Cascade Range) and on Ponderosa Pine (in the Blue Mountains). Habitat: Clearings in old growth coniferous forest (Ponderosa pine, Douglas-fir, western hemlock, grand fir). Range: Cascade Range, Siskiyou Mtns, and in the Blue Mtns in Baker and Union counties. Season: Mid-May to early September Abundance: Uncommon Conservation Status: Oregon State Species of Concern

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Pine White butterfly. Gallery Prev Next 3 Creeks Sno-Park, Deschutes Co, August 19 - male Pine White Neophasia menapia Size: 1.5 - 2.0 inches wingspan Key ID features: Bright white with black leading margin and tip of forewing. Underside of HW has veins outlined in black. Underside of female hindwing outlined in red-orange. Notably graceful flight pattern. Similar species: Mustard (margined) white has more delicate dark markings on veins below and lacks heavy black marks above Host plant: Douglas fir, Ponderosa pine and other pine species. Habitat: Fir and pine forests, and in some urban areas near pines. Range: Western Oregon and Ochoco Mtns, Blue Mtns and Wallowa Mtns. Season: Late June to mid-October Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Hydaspe Fritillary butterfly. Gallery Prev Next Catherine Cr Rd, Wallowa Co, July 8 Hydaspe Fritillary Argynnis hydaspe AKA Speyeria hydaspe Size: Up to 2.25 inch wingspan Key ID features: Male deep orange above with black veins, black shading near the body, black irregular lines inwardly, submarginal black spot band and black marking along margin like chain links. Female dark orange above with all black markings bolder. Below ground color of "disc" on HW usually deep maroon to purplish-brown, with creamy to white oval spots, and a submarginal pink or pinkish band, often vague or missing. Similar species: Hesperis has more reddish brown color below, and submarginal band is less pink, more distinct and usually crossed with bold veins. Zerene can have similar coloration, but would have smaller discal spots and more flattened marginal spots. Host plant: Violet (Viola ) species . Habitat: Openings, riparian areas and meadows in coniferous forests. Range: Found throughout Cascades and western Oregon, and in Klamath, Warner, Siskiyou, Ochoco, Wallowa and Blue Mtns. Season: Late May to late September. Abundance: Common Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Moss's Elfin butterfly. Gallery Prev Next Jasper Rocks, Lane Co, February 24 Moss's Elfin Callophrys mossii Size: 1.0 - 1.25 inches wingspan Key ID features: Above both sexes grayish brown. Below shades of reddish-brown with variable amount of lighter overscaling giving a somewhat frosted look, sometimes with shades of lavender. Broken white median line, stronger on HW. No tails. Similar species: Hoary Elfin has much stronger frosted look between trailing margin and postmedian line. Host plant: Several species of Stonecrop (Sedum ) . Habitat: Rocky slopes and ridges, canyon side slopes, stony flats, buttes, cliffs at oceanside. Range: Northern Cascades Range, Siskiyou Mtns, Ochocos, Blue Mtns. Season: Mid-February to mid-July Abundance: Uncommon Conservation Status: Secure

Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Purplish Copper butterfly. Gallery Prev Next King Mountain Rd, Harney Co, June 13 - male Purplish Copper Tharsalea helloides AKA Lycaena helloides Size: 1 - 1.25 inches wingspan Key ID features: Male above brownish with purple iridescence when fresh. Female above light orange with black spots and wide brown borders. Male and female HW below lavender with submarginal orange zigzag line (females darker); FW below with black spots. Similar species: Lilac-bordered has distinctive two-toned HW below. Other coppers have white or grayish undersides. Host plant: Docks (Rumex ) and Knotweeds (Polygonum). Habitat: Wide variety of habitats . Range: All of Oregon. Season: Late April to mid-October Abundance: Common Conservation Status: Secure