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 1 - 24 of 590 verified sightings
Observation date: Sep 09, 2023
Submitted by: Reneerob17
Region: Valley County, Idaho, United States
Verified by: stevekohler
Verified date: Nov 24, 2023
Observation date: Aug 14, 2020
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Oct 04, 2023
Observation date: Oct 01, 2023
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Oct 01, 2023
Observation date: Sep 09, 2023
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 09, 2023
Observation date: Aug 18, 2020
Submitted by: Robb Hannawacker
Region: San Juan County, Utah, United States
Verified by: James Steen
Verified date: Sep 04, 2023
Observation date: Jul 30, 2017
Submitted by: dingoqueen
Region: Box Elder County, Utah, United States
Verified by: James Steen
Verified date: Sep 03, 2023
Observation date: Aug 25, 2023
Submitted by: Doug Backlund
Region: Harding County, South Dakota, United States
Verified by: J_Martineau
Verified date: Aug 29, 2023
Observation date: Aug 03, 2023
Submitted by: Chris Carvalho
Region: Clackamas County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2023
Observation date: Jun 27, 2023
Submitted by: hasfitz5
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 15, 2023
Observation date: Jul 08, 2023
Submitted by: dkaralun
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2023
Observation date: Jun 01, 2023
Submitted by: Lupine1
Region: Lewis County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 10, 2023
Observation date: Jun 08, 2023
Submitted by: Lupine1
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 10, 2023
Observation date: Jun 03, 2023
Submitted by: cklindsey
Region: Wallowa County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 07, 2023
Observation date: Jun 02, 2023
Submitted by: hiker96
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2023
Observation date: May 31, 2023
Submitted by: frogbandit
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: May 31, 2023
Observation date: May 21, 2023
Submitted by: cklindsey
Region: Walla Walla County, Washington, United States
Verified by: davidwdroppers
Verified date: May 29, 2023
Observation date: Jun 10, 2020
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Apr 03, 2023
Observation date: Jun 04, 2022
Submitted by: kathy lichtendahl
Region: Fremont County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 06, 2023
Observation date: May 01, 2022
Submitted by: stevecary
Region: San Juan County, Utah, United States
Verified by: jwileyrains
Verified date: Jan 28, 2023
Observation date: May 19, 2021
Submitted by: flyinganvil
Region: Whitman County, Washington, United States
Verified by: davidwdroppers
Verified date: Jan 01, 2023
Observation date: May 11, 2022
Submitted by: stevecary
Region:
Verified by: stevecary
Verified date: Dec 23, 2022
Observation date: Sep 05, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Nov 28, 2022
Observation date: Sep 26, 2022
Submitted by: Cascade Colors
Region: Routt County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 15, 2022
Observation date: Aug 22, 2022
Submitted by: MAKI
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Oct 11, 2022
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