Gallery Prev Next W Boundary Rd, Lane Co, April 12 Two-banded Checkered Skipper Pyrgus ruralis Size: Up to 1 inch wingspan ​ Key ID features: Above, Above very dark brown, with gray shading basally on FW, boldly checked fringes and bright white patches . White spots on FW in two rows that can look like an "x" to some. HW has bold spot bands, and a lone small white spot near the wing base (often covered). Below bands of brown, white and olive-gray on HW. ​ Similar species: Common Checkered Skipper is much lighter above and below, with more and longer white patches above. ​ Host plant: Checkermallows ( Sidalcea ) and wildflowers in the rose family like cinquefoil ( Potentilla ) and strawberry ( Fragaria ). ​ Habitat: Mountain meadows and roadsides. ​ Range: Cascade Range, Willamette Valley, Coast Range, Ochoco Mtns, Blue Mtns, Wallowa Mtns, Siskiyou Mtns, Klamath Mtns. ​ Season: Early March to early September ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next Mill Cr Rd, Lane Co, July 1 Common Roadside Skipper Amblyscirtes vialis Size: Up to 1 inch wingspan ​ Key ID features: Tiny and difficult to see until perched . Above, dark brown with a few white spots at leading edge near wingtip, fringes often checked. Below dark brownish gray, with gray frosted look in outer half of HW. ​ Similar species: Darker and more marked than Dun Skipper, and more triangular shape. Common Sootywing has more white spots above and white face. ​ Host plant: Many grass species. ​ ​ Habitat: Roadsides, and other warm, sunny sites, often near water. ​ Range: Cascade Range, north Coast Range, Ochoco Mtns, Blue Mtns, Wallowa Mtns. ​ Season: Late April to late August ​ Abundance: Uncommon Conservation Status: Secure

Gallery Prev Next Dutchman's Peak, Jackson Co, July 15 Spring White Pontia sisymbrii Size: 1.25 - 1.5 inches wingspan ​ Key ID features: Above, male milk-white, female cream to yellowish, both with black checks on wingtips and closed black bar at end of forewing cell. Below, hindwing veins crisply lined with brownish back bars, partially interrupted across the middle. ​ Similar species: Western white has FW cell end bar with white center, and below HW veins less boldly shaded, and lacks slightly interrupted band across veins. Host plant: Wide variety of rockcresses and mustards. ​ Habitat: Rocky desert-steppe, sage lands, subalpine ridges in the Cascades. ​ Range: Throughout eastern Oregon east of the Cascades and in southern Josephine and Jackson counties. ​ Season: Late March to late August ​ Abundance: Widespread, but locally distributed, often seen singly. Conservation Status: Secure

Gallery Prev Next Summit Meadows, LaneCo, August 13 Sonoran Skipper Polites sonora Size: Up to 1.25 inch wingspan ​ Key ID features: Above orangish-brown, with darker reddish brown border, and vague light spot band on HW. Males with black stigmata with adjacent dark patches on FW, female FW with dark patch surrounded by yellowish spots. HW below brown with arc of pale yellow bars forming a curved band, and an elongated light spot near wing base . HW bars somewhat rounded with indistinct edges. ​ Similar species: HW pattern below is somewhat similar to Mardon Skipper, which has shorter, broader wings and HW spots that are angular and more distinct. ​ Host plant: Various grass species. ​ Habitat: Flowery meadows and pastures, forest openings, roadsides, streambanks. ​ Range: Cascade Range, Siskiyou Mtns, Klamath Mtns, Warner Mtns, Ochoco Mtns, Blue Mtns, Wallowa Mtns, Willamette Valley. ​ Season: Late May to late August ​ Abundance: Common Conservation Status: Secure

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 thin black rectangle ("cell bar") in forewing cell with light white scaling. Below, bold gray-green marbling against white background and yellow veins. ​ Similar species: California Marble and Desert Marble are smaller. Desert Marble has pearly or shiny look to white areas. California Marble lacks white scaling on forewing cell bar. 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

Gallery Prev Next Mill Cr Rd, Lane Co, August 9 Sylvan Wood Nymph Cercyonis silvestris Size: Up to 1.75 inch wingspan ​ ​ Note: this species was recently clarified by DNA analysis to be a distinct species, formerly assumed to be a west-side segregate of Great Basin Wood Nymph. ​ Key ID features: Above grayish-brown usually with two eye spots on FW. Below, striated chocolate brown with one to several small eyespots on HW, two eyespots on FW, lower spot usually noticeably smaller than upper spot. Dark median line on HW typically indistinct. ​ Similar species: Great Basin Wood Nymph is slightly larger, more grayish below, with more prominent HW median bands below, HW median line more distinct and jagged. Small Wood Nymph is typically somewhat smaller and darker, with more distinct and more jagged VHW median line, and significantly smaller lower eyespot. ​ Host plant: Undetermined grass species. ​ Habitat: Openings in forested habitats, and along forest roads in foothills and mountains. ​ Range: West slope the Cascades in Linn Lane, Douglas,and Jackson counties. ​ Season: Late July to late September ​ Abundance: Locally common Conservation Status: Secure

Gallery Prev Next Jones Canyon, Sherman Co, May 2 Common Ringlet Coenonympha california AKA Ochre Ringlet AKA Coenonympha tullia Size: Up to 1.5 inch wingspan ​ Key ID features: Above plain creamy tan, sometimes peachy orange tan or whitish tan . Below dusky tan to yellowish tan, sometimes with light eye spots, and irregular light bands. ​ Similar species: No similar species in Oregon. ​ Host plant: Both native and non-native grasses and sedges . ​ Habitat: Grassy habitats of all types. ​ Range: All of Oregon except portions of central and northern coast and coast range. ​ Season: Late March to late October ​ Abundance: Very common Conservation Status: Secure

Gallery Prev Next Doral View Little Groundhog Man, Lane Co, July 22 - female Eastern Tailed-Blue Cupido comyntas Size: 0.75 - 1.0 inches wingspan ​ Key ID features: Male bright blue above, female dark gray or gray-brown, with coppery-green iridescence when fresh. HW with white fringe and marginal band of black spots with gray borders. Below, gray or bluish-gray, with black spots rimmed with white, variable marginal band of spots and chevrons, orange patches next to small white-tipped tails. Usually shows black cell-end bar on FW above and below. ​ Similar species: Western Tailed-Blue tends to be whiter below and usually lacks black cell end bar on the FW above. Host plant: Many species in the pea family including lupines, vetches and clovers . ​ Habitat: Often in weedy, disturbed habitats, but also in native wet meadows and riparian areas. ​ ​ Range: West of the Cascade Range, Wallowa Mtns and NE Blue Mtns. ​ Season: Early April to early August ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next Oregon Mountain, Josephine Co, June 4 Western Cloudywing Thorybes diversus ​ AKA Cecropterus diversus Size: Up to 1.75 inch wingspan ​ Key ID features: Above very dark brown with a few narrow white bars and spots on FW. Bars and spots translucent. Below similar to above, dark brown with with a few narrow tan or off-white bars and spots on FW. Tends to perch on elevated rocks rather than on ground or plant. ​ Similar species: Northern Cloudywing has shorter and wider sub-cell white bar on FW, and male lacks costal fold. Northern Mexican Cloudywing has striations below on the outer portion of wings. ​ Host plant: Various clover (Trifolium ) species . ​ Habitat: Damp hillsides, creeksides, clearings in coniferous forest. ​ Range: Very restricted range near CA border in Josephine County and Klamath County. ​ Season: Mid-May to early July ​ Abundance: Uncommon Conservation Status: Secure

Gallery Prev Next Rd 23, Lane Co, June 16 Juba Skipper Hesperia juba Size: Up to 1.5 inch wingspan ​ Key ID features: Above, male brownish orange with jagged line of light orange spots, dark brown edges, like teeth pointing inward, dark stigmata. Above female brown with jagged row of light orange spots, some almost white spots near wing tip, also with dark brown edges, like teeth pointing inward . Below greenish gray with disjointed white bands, lowest patch of white on outer band displaced inwardly (but not as strongly as Nevada Skipper). ​ Similar species: On HW below Nevada Skipper has the lowest segment of the outer white spot band more strongly offset. ​ Host plant: Bunchgrass species. ​ Habitat: Sage habitats, roadsides, dry woodland openings. ​ Range: All of Oregon except north Coast Range and coast. ​ Season: Mid-April to early October ​ Abundance: Uncommon Conservation Status: Secure

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