Juba Skipper
Hesperia juba (Scudder, 1874)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Male is bright orange-brown with a dark border that is toothed inwardly. Female is larger than male, with more and brighter markings. Underside of hindwing is a slightly greenish brown, with large jagged white spots. Basal spot on submarginal row is displaced inwardly.
Wing Span: 1 1/4 - 1 5/8 inches (3.2 - 4.2 cm).
Life History: To await females, males perch in gulches all day. Females deposit eggs singly on or near the host plant. Caterpillars eat leaves and make nests of silked-together leaves. Probably caterpillars hibernate.
Flight: Two broods from May-June and August-September.
Caterpillar Hosts: Slender hairgrass (Deschampsia elongata), needlegrass (Stipa), foxtail brome (Bromus rubens), and bluegrass (Poa pratensis).
Adult Food: Nectar from flowers including rabbitbrush.
Habitat: Sagebrush, chaparral, hilly grasslands, open woodland.
Range: British Columbia south to southern California; east to Montana, Wyoming, Colorado, and northwest New Mexico.
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 193 - 216 of 600 verified sightings
Observation date: Sep 24, 2011
Submitted by: jim8435wisc
Region: Yellowstone National Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Nov 27, 2011
Observation date: unknown
Submitted by: RaisingButterfl... (Todd Stout)
Region: United States
Verified by: BAMONA
Verified date: Nov 25, 2011
Observation date: unknown
Submitted by: RaisingButterfl... (Todd Stout)
Region: United States
Verified by: BAMONA
Verified date: Nov 25, 2011
Observation date: Jun 04, 2011
Submitted by: gerryq
Region: Latah County, Idaho, United States
Verified by: paulopler
Verified date: Nov 11, 2011
Observation date: Aug 24, 2011
Submitted by: Jdammarell
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 26, 2011
Observation date: Jun 04, 2011
Submitted by: plex1ppus
Region: Whitman County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 13, 2011
Observation date: Oct 10, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Apr 11, 2011
Submitted by: Ken Davenport (Ken Davenport)
Region: Kern County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: May 01, 2011
Observation date: Aug 22, 2008
Submitted by: plex1ppus (plex1ppus)
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 13, 2011
Observation date: Sep 08, 2001
Submitted by: Norbert Kondla
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Feb 07, 2011
Observation date: May 12, 2007
Submitted by: stevecary
Region: San Juan County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 04, 2011
Observation date: Jun 18, 1967
Submitted by: legacy.reporter (Richard Funk)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 03, 1967
Submitted by: legacy.reporter (Kilian Roever)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 07, 2005
Submitted by: legacy.reporter (Kim Davis & Mike Stangeland)
Region: Inyo County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 20, 2010
Submitted by: legacy.reporter (Paul Opler and EviBuckner-Opler )
Region: Elko County, Nevada, United States
Verified by: paulopler (Paul Opler)
Verified date: Dec 31, 2010
Observation date: Apr 08, 2010
Submitted by: legacy.reporter (Jim Brock)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Sep 26, 2010
Submitted by: paulopler (Paul Opler)
Region: Teton County, Wyoming, United States
Verified by: paulopler (Paul Opler)
Verified date: Dec 31, 2010
Observation date: Oct 02, 1978
Submitted by: legacy.reporter (unknown)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 19, 2010
Submitted by: legacy.reporter (Paul Opler Evi Buckner-Opler)
Region: Butte County, Idaho, United States
Verified by: paulopler (Paul Opler)
Verified date: Dec 31, 2010
Observation date: Apr 08, 2010
Submitted by: legacy.reporter (Jim Brock)
Region: Ventura County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: May 12, 2007
Submitted by: legacy.reporter (Koji Shiraiwa)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 23, 2010
Submitted by: legacy.reporter (Paul Opler and EviBuckner-Opler )
Region: Humboldt County, Nevada, United States
Verified by: paulopler (Paul Opler)
Verified date: Dec 31, 2010
Observation date: Sep 03, 2064
Submitted by: legacy.reporter (unknown)
Region: Lassen County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 27, 2004
Submitted by: legacy.reporter (William Bouton)
Region: San Diego County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
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