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 145 - 168 of 600 verified sightings
Observation date: Oct 01, 2015
Submitted by: Sue Orlowski
Region: Adams County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 08, 2015
Observation date: Sep 12, 2015
Submitted by: Chris Carvalho
Region: Harney County, Oregon, United States
Verified by: Ken Davenport
Verified date: Sep 23, 2015
Observation date: Sep 01, 2015
Submitted by: ryDLar
Region: Harney County, Oregon, United States
Verified by: Ken Davenport
Verified date: Sep 15, 2015
Observation date: Aug 15, 2015
Submitted by: Sue Orlowski
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 20, 2015
Observation date: Jul 24, 2015
Submitted by: Sue Orlowski
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 29, 2015
Observation date: May 17, 2015
Submitted by: PJNosler
Region: Clackamas County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 30, 2015
Observation date: May 25, 2015
Submitted by: ezeemonee
Region: Inyo County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2015
Observation date: May 04, 2015
Submitted by: PJNosler
Region: Clackamas County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 10, 2015
Observation date: May 02, 2015
Submitted by: benphalan
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 10, 2015
Observation date: Apr 19, 2015
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Apr 20, 2015
Observation date: Apr 19, 2015
Submitted by: Kristie Nelson
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Apr 20, 2015
Observation date: Jun 21, 2014
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 01, 2014
Observation date: Sep 24, 2009
Submitted by: Joe Sebastiani
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 25, 2014
Observation date: May 25, 2014
Submitted by: mudgrub12
Region: Placer County, California, United States
Verified by: Ken Davenport
Verified date: Jun 02, 2014
Observation date: May 27, 2014
Submitted by: JDreimiller
Region: Lewis County, Washington, United States
Verified by: davidwdroppers
Verified date: May 29, 2014
Observation date: May 24, 2014
Submitted by: randimal
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: May 27, 2014
Observation date: May 21, 2014
Submitted by: Sue Orlowski
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: May 27, 2014
Observation date: May 13, 2014
Submitted by: Sue Orlowski
Region: Douglas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2014
Observation date: May 08, 2014
Submitted by: Sue Orlowski
Region: Douglas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2014
Observation date: May 03, 2014
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: May 06, 2014
Observation date: Apr 12, 2014
Submitted by: Robert Gorman
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Apr 17, 2014
Observation date: Sep 01, 2013
Submitted by: J_Martineau
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 13, 2014
Observation date: Nov 04, 2012
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Feb 07, 2014
Observation date: Sep 26, 2010
Submitted by: diwalks2@gmail.com
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jan 28, 2014
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