Arctic Skipper
Carterocephalus palaemon (Pallas, 1771)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is black with squarish orange spots. Underside of the forewing is orange with black spots; underside of hindwing is red-orange with cream spots outlined in black.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Adults rest with their wings closed, but bask with hindwings open wide and forewings open to about 45 degrees. To find receptive females, males perch on low vegetation and sometimes patrol in openings. Females lay eggs singly on leaves of the host plant. Caterpillars live and feed within nests of silked-together leaves; fully-grown caterpillars overwinter in their nests and then pupate within them in the spring.
Flight: One brood from May-July.
Caterpillar Hosts: Grasses including purple reedgrass (Calamagrostis purpurascens) in California, and bromes (Bromus) in Europe; probably others.
Adult Food: Nectar from flowers including iris in California.
Habitat: Glades and openings in heavily forested woods, moist meadows, and streamsides.
Range: Central Alaska south to central California, south in the Rocky Mountains to northwest Wyoming, east across the Great Lakes states to New York and New England. Eurasia.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
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Verified Sightings
Displaying 25 - 48 of 919 verified sightings
Observation date: Jun 24, 2021
Submitted by: llfos2020
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2023
Observation date: Jun 13, 2023
Submitted by: llfos2020
Region: Humboldt County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2023
Observation date: Jun 05, 2023
Submitted by: Pheasantboy77
Region: Itasca County, Minnesota, United States
Verified by: jmgesell
Verified date: Jun 16, 2023
Observation date: Jun 05, 2023
Submitted by: Pheasantboy77
Region: St. Louis County, Minnesota, United States
Verified by: jmgesell
Verified date: Jun 16, 2023
Observation date: Jun 10, 2023
Submitted by: CheddahCurt
Region: Alberta, Canada
Verified by: John Calhoun
Verified date: Jun 12, 2023
Observation date: May 26, 2023
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: May 26, 2023
Observation date: May 23, 2023
Submitted by: hockeybruce7
Region: Monroe County, Pennsylvania, United States
Verified by: davidwright
Verified date: May 26, 2023
Observation date: May 19, 2023
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 20, 2023
Observation date: May 15, 2023
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: May 15, 2023
Observation date: Jul 24, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 14, 2023
Observation date: Jul 17, 2021
Submitted by: bbessingpas
Region: Denali, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 10, 2023
Observation date: Jun 06, 2021
Submitted by: frogbandit
Region: Anchorage, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jun 24, 2021
Submitted by: Rick Sinnott
Region: Denali, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jul 11, 2021
Submitted by: frogbandit
Region: Anchorage, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jun 18, 2020
Submitted by: jsaunders260
Region: Matanuska-Susitna, Alaska, United States
Verified by: curtis.lehman
Verified date: Feb 07, 2023
Observation date: Jun 23, 2018
Submitted by: jsaunders260
Region: Matanuska-Susitna, Alaska, United States
Verified by: curtis.lehman
Verified date: Feb 07, 2023
Observation date: Jun 17, 2020
Submitted by: Arctic Jim
Region: Matanuska-Susitna, Alaska, United States
Verified by: curtis.lehman
Verified date: Feb 07, 2023
Observation date: Jun 24, 2019
Submitted by: bmcgurgan
Region: Anchorage, Alaska, United States
Verified by: curtis.lehman
Verified date: Feb 07, 2023
Observation date: May 29, 2020
Submitted by: Robert Gibson
Region: Matanuska-Susitna, Alaska, United States
Verified by: curtis.lehman
Verified date: Feb 07, 2023
Observation date: Jun 07, 2019
Submitted by: tylerjkrul
Region: Denali, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jun 05, 2019
Submitted by: Rick Sinnott
Region: Anchorage, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jun 14, 2018
Submitted by: HHowell
Region: Anchorage, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jun 08, 2019
Submitted by: Liz Osborn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 23, 2022
Observation date: Jun 11, 2019
Submitted by: Liz Osborn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 16, 2022
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