Russet Skipperling
Piruna pirus (W.H. Edwards, 1878)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is dark brown; underside is red-brown. Forewing above and below has tiny transparent white spots; hindwing has no markings above or below.
Wing Span: 1 - 1 1/8 inches (2.5 - 2.9 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 patrol above low plants in river courses, streams, and moist ravines. Caterpillars live and feed within nests of webbed leaves. Fully-grown caterpillars hibernate.
Flight: One brood from June-July.
Caterpillar Hosts: Probably grasses such as bluegrass (Poa).
Adult Food: Flower nectar.
Habitat: Moist valley bottoms, forest openings, meadows.
Range: Southeastern Idaho, southern Wyoming, Utah, Colorado, Arizona, and New Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 111 verified sightings
Observation date: Jul 16, 2017
Submitted by: jgiroux
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 05, 2017
Observation date: Jul 20, 2015
Submitted by: Mike Hofmann
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 30, 2016
Observation date: Jul 04, 2014
Submitted by: lhinderlider
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 31, 2014
Observation date: Jul 09, 2013
Submitted by: sagebird52
Region: Albany County, Wyoming, United States
Verified by: kent
Verified date: Jul 15, 2013
Observation date: May 31, 2007
Submitted by: John Saba (John Saba)
Region: Graham County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jul 21, 1979
Submitted by: legacy.reporter (George Balogh)
Region: Apache County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Aug 11, 1975
Submitted by: legacy.reporter (Clifford D. Ferris)
Region: Cochise County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 22, 1979
Submitted by: legacy.reporter (George Balogh)
Region: Greenlee County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Aug 15, 1975
Submitted by: legacy.reporter (Clifford D. Ferris)
Region: Cochise County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2012
Observation date: Jul 05, 2007
Submitted by: Ken Davenport (Ken Davenport)
Region: Apache County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 02, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 06, 1989
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Aug 02, 1988
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 11, 1995
Submitted by: Ken Davenport (Ken Davenport)
Region: Apache County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 04, 1984
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 05, 1989
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: unknown
Submitted by: js97032@yahoo.com (Jennifer Sanders)
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Sep 02, 1934
Submitted by: legacy.reporter (Hulbirt)
Region: San Diego County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Dec 08, 2009
Observation date: Sep 02, 1934
Submitted by: legacy.reporter (Hulbirt)
Region: San Diego County, California, United States
Verified by: legacy.verifier (J & T Emmel)
Verified date: Jan 07, 2008
Observation date: unknown
Submitted by: legacy.reporter
Region: Eagle County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Carbon County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Coconino County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Summit County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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