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  • Persius Duskywing | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Persius Duskywing butterfly. Gallery Prev Next Eight Dollar Rd, Josephine Co, June 5 Persius Duskywing Erynnis persius Size: Up to 1.5 inch wingspan Key ID features: Above, FW gray-brown with indistinct gray markings and 3-5 tiny hyaline (glassy, translucent) spots on FW. Female FW usually more boldly patterned, but less so than Propertius. HW gray-brown with vague light spots. Below dark brown with light spots and hyaline spots on FW, small vague spots on HW. Similar species: Propertius is larger, and usually more strongly marked. When fresh, Pacuvius has brown patches on FW, otherwise look for tibial tufts on hindlegs (Persius has them, Pacuvius does not). Host plant: Pea family species, including lupines (Lupinus ), Thermopsis , Astragalus , and Lotus . Habitat: Open sunny meadows, roadsides and hillsides. Range: Cascade Range, Willamette Valley, much of Coast Range, Ochoco Mtns, Blue Mtns, Wallowa Mtns, Siskiyou Mtns, Klamath Mtns. Season: Mid-April to mid-August Abundance: Common Conservation Status: Secure

  • Contact | ButterfliesofOregon

    Here you will find information about how to contact Neil Bjorklund, creator of Butterflies of Oregon. GET IN TOUCH I'd love to hear from you! Please send me a message via the form below or just use the email address butterfliesoforegon at gmail.com. Thanks for submitting! Submit

  • Checkered White | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Checkered White butterfly. Gallery Prev Next Lost Lake, Linn Co, August 26 - male Checkered White Pontia protodice Size: 1.5 - 2.0 inches wingspan Key ID features: Extremely variable and challenging to ID with certainty. Above, white with black, brown or charcoal checks, bars or chevrons. Below yellow-veined with brown or olive chevron marks. Similar species: Western White has darker and more extensive DFW markings and, and bolder yellow-green markings on the VHW, especially along veins. On Western White males, the gray triangles along the FW tip usually are joined to each other, while on Checkered White they are often separate. Pattern of veins on the forewing also differ as seen here . DFW markings in female Checkered Whites are often more extensive and brownish gray. Host plant: A wide variety of both weedy and native cruciferous species. Habitat: Arid habitats, both disturbed and undisturbed. Range: Primarily in southeast Oregon and east of Cascade Mtns, with scattered records in the Willamette Valley and Coast Range. Season: Earl June to late September Abundance: Uncommon in Oregon Conservation Status: Secure

  • Common Ringlet | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for Common Ringlet. 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

  • Brushfoots | Butterflies of Oregon

    Directory with photos and links for all of Oregon's brushfoot family butterflies. Brushfoot Butterflies Click photo for more details Monarch Monarch Danaus plexippus Zerene Fritillary Argynnis zerene Mormon Fritillary Argynnis mormonia American Lady Vanessa virginiensis Compton Tortoiseshell Nymphalis l-album Hoary Comma Polygonia gracilis Chalcedona Checkerspot Euphydryas chalcedona Sagebrush Checkerspot Chlosyne acastus Northern Crescent Phyciodes cocyta Sylvan Wood Nymph Cercyonis silvestris Silver-bordered Fritillary Boloria selene Callippe Fritillary Argynnis callippe Viceroy Viceroy Limenitis archippus Painted Lady Vanessa cardui California Tortoiseshell Nymphalis californica Green Comma Polygonia faunus Snowberry Checkerspot Euphydryas colon Northern Checkerspot Chlosyne palla Field Crescent Phyciodes pulchella Small Wood Nymph Cercyonis oetus Pacific Fritillary Boloria epithore Great Basin Fritillary Argynnis egleis Weidemeyer's Admiral Limenitis weidemeyerii West Coast Lady Vanessa annabella Mourning Cloak Nymphalis antiopa Gray Buckeye Junonia grisea Anicia Checkerspot Euphydryas anicia California Crescent Phyciodes orseis Common Ringlet Coenonympha california Common Alpine Erebia epipsodea Great Spangled Fritillary Argynnis cybele Northwestern Fritillary Argynnis hesperis Lorquin's Admiral Limenitis lorquini Red Admiral Vanessa atalanta Satyr Comma Polygonia satyrus Gillett's Checkerspot Euphydryas gillettii Leanira Checkerspot Chlosyne leanira Pale Crescent Phyciodes pallida Common Wood Nymph Cercyonis pegala Riding's Satyr Neominois ridingsii Coronis Fritillary Argynnis coronis Hydaspe Fritillary Argynnis hydaspe California Sister Adelpha californica Milbert's Tortoiseshell Aglais milberti Oreas Comma Polygonia oreas Edith's Checkerspot Euphydryas editha Hoffmann's Checkerspot Chlosyne hoffmanni Mylitta Crescent Phyciodes mylitta Great Basin Wood Nymph Cercyonis sthenele Great Arctic Oeneis nevadensis

  • Golden Hairstreak | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Golden Hairstreak butterfly. Gallery Prev Next Lost Lake, Linn Co, August 19 Golden Hairstreak Habrodais grunus Size: 1 - 1.25 inches wingspan Key ID features: Above golden brown with darker edges on FW. Below tan with indistinct brown bands. Short tails on HW. Similar species: There are no similar hairstreaks in Oregon. Host plant: Golden Chinkapin (Chrysolepis chrysophylla ). Habitat: Dry sunny slopes with Chinkapin. Range: Cascade Range, Siskiyou Mtns, Klamath Mtns. Season: Early July to late September Abundance: Locally common Conservation Status: Secure

  • Indra Swallowtail | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Indra Swallowtail butterfly. Gallery Prev Next Illinois River Rd, Josephine Co, April 24 Indra Swallowtail Papilio indra Size: 2.25 - 2.5 inches wingspan Key ID features: Upperside mostly black with narrow band of yellow on forewing, stubby tails, blue patches on black band near hindwing margin. Underside almost identical to upper side, with paler black. Similar species: Anise Swallowtail has much less black on forewing and longer tails. Host plant: Wild members of the parsley family. Habitat: Dry canyons, riverbanks and roadsides, hilltops, rocky desert washes. Range: Blue Mtns, northern portion of Cascade Mtns on east side, Steens Mtn, and Klamath Mtns. Season: Late March - mid-August Abundance: Uncommon Conservation Status: Secure

  • Lindsey's Skipper | ButterfliesofOregon

    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

  • Western White | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Western White butterfly. Gallery Prev Next Eagle Cap Wilderness, Wallowa Co, Aug 26 - female Western White Pontia occidentalis Size: 1.25 - 1.75 inches wingspan Key ID features: Above, male white with black or gray markings on forewing, female has more extensive markings on both wings. Below dark overscaling creates gray-green margins along hindwing veins, darker in spring. Similar species: Co-occurs with Checkered White in SE Oregon. The two species are not separable in flight. Female Checkered White is less sharply marked, often with olive or brown shades above instead of the gray-black of Western. Male Checkered White has narrower gray marks on the forewing margins with more white in between, and forewing markings are less extensive in general. Host plant: Many native species in the mustard family. Habitat: Open habitats, including woodland openings, mountain meadows, and barren areas above tree line. Range: Throughout Oregon west of the Cascade Crest. Season: Mid-March to mid-September Abundance: Common Conservation Status: Secure

  • California Marble | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the California Marble butterfly. Gallery Prev Next Illinois River, Josephine Co, May 5 California Marble Euchloe hyantis AKA Pearly Marble Size: 1.25 - 1.5 inches wingspan Key ID features: Above, off-white with dark gray pattern on FW tip and narrow black bar in forewing cell with no white scaling. Below, dark green marbling with minimal yellowish wash against pearly white background and yellow veins. Similar species: Large Marble is notably larger. Desert Marble lacks pearly or shiny look to white areas between darker green marbling below, and is not found in Josephine County. Host plant: Streptanthus (Jewel-flower) and possibly Arabis and Draba species. Habitat: Open montane and foothill slopes, dry meadows and canyons. Range: Primarily found in Josephine County near Jewel-flower. Season: Mid-March to early June Abundance: Common Conservation Status: Secure

  • Garita Skipperling | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Garita Skipperling butterfly. Gallery Prev Next Izzee Rd Meadow, Grant Co, June 29 Garita Skipperling Oarisma garita Size: Up to 1 inch wingspan Key ID features: Small and triangular . Above, dark brown with brassy sheen, and veins that look darker than wings. Below lighter orange-brown, veins lighter than ground color. Similar species: No other similar species in Oregon. Host plant: Grass and sedge species. Habitat: Montane mid-elevation grasslands, moist pastures, weedy marshes and fields. Range: Grassy areas north and west of Wallowa Mtns. Season: Early June to early August Abundance: Uncommon Conservation Status: Secure

  • Queen Alexandra's Sulphur | ButterfliesofOregon

    Photos, flight season, distribution and host plant information, conservation status, and identification tips for the Queen Alexandra's Sulphur butterfly. Gallery Prev Next Mtn Lakes Wilderness, Klamath Co, August 15 Queen Alexandra's Sulphur Colias alexandra Size: 2.0 - 2.8 inches wingspan Key ID features: Larger than any other Oregon sulphur, with more pointed FW. Below HW discal spot is white (not pearly) with no satellite spot, often unrimmed. Below HW has heavy black overscaling, giving strong green cast. Similar species: Clouded Sulphurs are smaller and have double ring around discal spot on HW below. Western Sulphurs are smaller and often have brighter pink wing borders. Pink-edged Sulphurs have more rounded wings, lack black overscaling below and have bright pink wing borders. Host plant: Various species in the pea family, especially Astragalus (milkvetch) and Medicago (alfalfa). Habitat: Meadows, roadsides, dry steppe slopes and forest glades. Range: Throughout eastern Oregon. Season: mid-April to mid-September Abundance: Common Conservation Status: Secure

© 2018-25 by Neil Henning Björklund

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