Gallery Prev Next Izee Rd Meadow, Grant Co, July 1 - male Great Spangled Fritillary Argynnis cybele ​ AKA Speyeria cybele Size: Up to 3 inch wingspan ​ Key ID features: Male orange above with thin black veins, black shading near the body, black irregular lines inwardly, and bands of black spots and chevrons near wing edge. Female striking white to cream above with similar black markings as male. Below male has dark orange "disc" on HW with silvery-white spots and warm tan submarginal band. Below female has dark brown disc with silvery-white spots and tan to ivory submarginal band. ​ Similar species: Female Great Spangled is unmistakable. Male has lighter black markings above along wing edge than other greater fritillaries, and silver spots on HW disc below are much smaller in proportion to size of disc (disc looks more empty) in comparison. ​ Host plant: Violets (Viola ) especially Viola glabella (stream violet) . ​ Habitat: Open meadows, openings in oak-pine forest, lower slopes of mountains in eastern Oregon. ​ Range: Western and southwestern Oregon, Ochoco Mtns, Blue Mtns, Wallowa Mtns, Warner Mtns, Steens Mtn, Mt Jefferson area. ​ Season: Early June to early October. ​ Abundance: Common Conservation Status: Secure .

Gallery Prev Next Lost Lake, Linn Co, August 1 Green Comma Polygonia faunus Size: Up to 2 inch wingspan ​ Key ID features: Above deep orange with black blotches and spots, often with very jagged wing edges, submarginal row of yellow spots on brown to black marginal band. Below striated bands of gray-brown and gray, and prominent curved (not pointed) white comma in center of HW, often barbed on one end. ​ Similar species: Satyr Comma has brown shades below, and barbed white comma on HW. Hoary comma lacks submarginal shading below. Oreas comma has pointed white "v" below. ​ Host plant: Willows, aspen and alders . ​ Habitat: Conifer forest openings, meadows, roadsides. ​ Range: All of western Oregon , plus Warner Mtns, Ochoco Mtns, Wallowa Mtns and Blue Mtns . ​ Season: Late February to late September ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next Mt Ashland Rd, Jackson Co, July 15 - ssp. matooni Great Basin Fritillary Argynnis egleis AKA Speyeria egleis Size: Up to 2.25 inch wingspan ​ Key ID features: Smallish. Varies significantly among subspecies especially below. Medium 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, bolder on female. Below ground color of "disc" on HW generally light brown, with large silvery-white oval spots usually with darker halos or caps. ​ Similar species: Zerene and Callippe both have darker disc color below. ​ Hostplant: Violet (Viola ) species . ​ Habitat: Varies by ssp. in each region, including ridgetops, meadows, pumice flats and subalpine slopes. ​ Range: Found in southern Cascades, Siskiyou Mtns, Klamath Mtns, Ochocos, and in Wallowas and northeastern Blue Mtns. ​ Season: Mid-June to early September. ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next McDonald Creek Basin, Jackson Co, July 20 Gray Buckeye Junonia grisea AKA Common Buckeye Size: Up to 2.5 inch wingspan ​ Key ID features: Above mauve-brown with large eye spots on both FW and HW. FW above has curving band of ivory almost forming a "6" around one of the eyes, and two orange bars ringed in black on the leading edge. Relatively unmarked below, with irregular bands of pale tans and grays, and pale submedian row of spots on the HW. ​ Similar species: No other Oregon butterfly has large spots on FW and HW against lavender-gray ground color. ​ Host plant: A variety of species in the figwort family, including penstemons, paintbrushes, veronicas and monkeyflowers . ​ Habitat: Forest openings, riparian areas, subalpine meadows, mostly above 3,000 feet. ​ Range: Nearly all of southern half of Oregon, and both flanks of the Cascades from Wasco County south . ​ Season: Late May to late October ​ Abundance: Uncommon Conservation Status: Secure

Gallery Prev Next Ana Reservoir SP, Lake Co, August 1 Yuma Skipper Ochlodes yuma Size: Up to 1.75 inch wingspan ​ Key ID features: Large and plain. Above, tan-orange with graduated dark border . Male with black stigmata on FW, female with light spot band on FW. HW below plain pale tan. ​ Similar species: Large size and unmarked pale tan HW below distinct. ​ Host plant: Primarily American common reed (Phragmites australis ssp. americanus ). ​ Habitat: Near s tands of reeds along streams, seeps and marshes in alkaline lowlands. ​ Range: Summer Lake area in Lake County, Imnaha River canyon in Wallowa County. ​ Season: Early July to early September ​ Abundance: Uncommon Conservation Status: Secure

Gallery Prev Next Frisselll Ridge, Lane Co, July 16 - male (L), female (R) Pacific Dotted Blue Euphilotes enoptes Size: Up to 0.85 inch wingspan ​ Key ID features: Small. Male blue above with dark wing borders. Female dark brown above with vague orange zigzag along trailing margin. Both sexes have checked fringe on FW. Below bluish-gray with black spots, and orange edges to submarginal black spots on HW. ​ Similar species: Best told from other Euphilotes blues by host-plant association, location and flight period. Host plant: Eriogonum nudum (bare-stem buckwheat), E. elatum (tall woolly buckwheat) and E. compositum (arrowleaf buckwheat). ​ Habitat: Well-drained sites where hostplant grows, including high plateaus, ridges, gravelly slopes and roadsides. ​ ​ Range: Western Cascade Range, Siskiyou Mtns, Klamath Mtns . ​ Season: Mid-April to early August ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next Rd 23, Lane Co, July 8 Cabbage White Pieris rapae Size: 1.25 - 1.75 inches wingspan ​ Key ID features: Males white with one black spot and black apex on FW. Female white with two black spots and black FW apex. Yellowish below. ​ Similar species: Mustard White lacks black spots on FW. Host plant: Many species of mustards, including food plants in the cabbage family. ​ Habitat: Found in most habitat types. ​ Range: Introduced from Europe. Found throughout Oregon. ​ Season: Early March to early November ​ Abundance: Abundant Conservation Status: Secure

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

Gallery Prev Next Alvord Basin, Harney Co, May 31 - ssp. basinensis Leanira Checkerspot Chlosyne leanira Size: Up to 2 inch wingspan ​ Key ID features: Two distinct subspecies . Ssp. oregonensis is black above, with pale ivory spots, sometimes with red spots on FW tips. Below, FW orange with pale ivory spots, and submarginal band of ivory and black, often with a gap. HW below white with black veins and submarginal band of white spots surrounded by black. Ssp. basinensis is orange above with black veins, submarginal band of pale orange spots. Below similar to oregonensis , with bolder, wider black border to submarginal spot band. ​ Similar species: Below, neither subspecies is similar to other Oregon butterfly species. Above, C. l. oregonensis is similar to some small, dark individuals of Snowberry Checkerspot, note pattern below. ​ Host plant: Paintbrush species (Castilleja ) . ​ Habitat/Range: Ssp oregonensis found in canyons and hillsides near streams in SW Oregon. Ssp. basinensis found in desert hills and sage flats in SE Oregon. ​ Season: Early May to late July ​ Abundance: Common Conservation Status: Secure

Gallery Prev Next Ditch Cr Rd, Morrow Co, July 7 - male Blue Copper Tharsalea heteronea AKA Lycaena heteronea Size: 1.25 - 1.5 inches wingspan ​ Key ID features: Male above bright blue with black veins, black border and white fringe. Female above blueish gray with small black spots. Female HW below white with light spots; FW below with black spots. Male similar below but with lighter or no spots on HW. ​ Similar species: Male is larger and faster-flying than similar blues. Female somewhat similar to Ruddy Copper, which has orange zigzag above and orange wash below. Host plant: Buckwheat (Eriogonum ) species. ​ Habitat: High sagelands, grasslands, montane and subalpine slopes and ridges, canyons and plateaus . ​ Range: Cascade Mtns and eastern Oregon except Columbia River drainage in Gilliam, Morrow and Umatilla counties. ​ Season: Early May to early September ​ Abundance: Common 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 Crooked Cr, Lake Co, August 6 - male Mountain Mahogany Hairstreak Satyrium tetra Size: 1.0 - 1.25 inches wingspan ​ Key ID features: Dark gray-brown above. Gray-brown below with median line, and submarginal band of black chevrons. Tail short on males, longer on females, with adjacent blue frosted patch, and one (or mare) of the chevrons with small orange patch. ​ Similar species: Somewhat similar to Hedgerow HS, which has more defined median line on HW below. Gold-Hunter's HS is more brown below, with a less clear and defined median line on HW below. Host plant: Mountain Mahogany (Cercocarpus montanus, C. ledifolius ) . ​ Habitat: Dry ridges and plateaus, oak-pine edges, shrubby areas with Mountain Mahogany. ​ ​ Range: Southern portion of Josephine, Jackson, Klamath and Lake counties. ​ Season: Early July to late August ​ Abundance: Uncommon Conservation Status: Secure