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 97 - 120 of 600 verified sightings
Observation date: Sep 17, 2018
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Oct 11, 2018
Observation date: Jun 06, 2018
Submitted by: 4oclockwatch
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Oct 09, 2018
Observation date: Aug 31, 2018
Submitted by: satchmo0802
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: Sep 09, 2018
Observation date: Aug 28, 2018
Submitted by: hiker96
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 01, 2018
Observation date: Aug 17, 2018
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Aug 29, 2018
Observation date: Aug 23, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 27, 2018
Observation date: Sep 01, 2015
Submitted by: dlister
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 15, 2018
Observation date: May 27, 2018
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2018
Observation date: May 14, 2018
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2018
Observation date: Jun 13, 2018
Submitted by: naers
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2018
Observation date: Jun 10, 2017
Submitted by: JessieS
Region: Ada County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: May 31, 2008
Submitted by: Todd Stefanic
Region: Blaine County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 15, 2018
Observation date: Sep 06, 2017
Submitted by: Todd Stefanic
Region: Butte County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 15, 2018
Observation date: May 27, 2018
Submitted by: PDunwiddie
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 29, 2018
Observation date: May 23, 2018
Submitted by: hiker96
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: May 25, 2018
Observation date: Apr 27, 2018
Submitted by: Jim and Debby
Region: Lassen County, California, United States
Verified by: Ken Davenport
Verified date: May 06, 2018
Observation date: Apr 24, 2018
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Apr 27, 2018
Observation date: Oct 02, 2017
Submitted by: Robert Gorman
Region: Riverside County, California, United States
Verified by: Ken Davenport
Verified date: Oct 04, 2017
Observation date: Sep 03, 2017
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Sep 28, 2017
Observation date: Sep 17, 2017
Submitted by: MAKI
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Sep 23, 2017
Observation date: Sep 02, 2017
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Sep 22, 2017
Observation date: Sep 03, 2017
Submitted by: diwalks2@gmail.com
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Sep 14, 2017
Observation date: Jun 10, 2017
Submitted by: Vickig
Region: Pend Oreille County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 06, 2017
Observation date: Jun 29, 2017
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 03, 2017
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