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.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 576 verified sightings
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
Observation date: Sep 11, 2022
Submitted by: Lisahug
Region: Nevada County, California, United States
Verified by: Ken Davenport
Verified date: Sep 14, 2022
Observation date: Jun 06, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: stevekohler
Verified date: Aug 10, 2022
Observation date: May 25, 2022
Submitted by: hasfitz5
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jul 25, 2022
Observation date: Jun 25, 2022
Submitted by: Team Kweeper
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Jul 03, 2022
Observation date: Sep 03, 2021
Submitted by: NikkiM
Region: Teton County, Idaho, United States
Verified by: stevekohler
Verified date: May 31, 2022
Observation date: May 20, 2022
Submitted by: hiker96
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 24, 2022
Observation date: May 15, 2022
Submitted by: weflybye
Region: Sherman County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 16, 2022
Observation date: Oct 11, 2021
Submitted by: Christian.Nunes
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 29, 2021
Observation date: Jun 20, 2021
Submitted by: Christian.Nunes
Region: Boulder County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 05, 2021
Observation date: Jul 02, 2019
Submitted by: ncrosbyrd
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Nov 29, 2021
Observation date: Oct 04, 2021
Submitted by: Ed Rothwell
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 08, 2021
Observation date: Oct 04, 2021
Submitted by: Ed Rothwell
Region: Adams County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 08, 2021
Observation date: Sep 22, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 29, 2021
Observation date: Sep 07, 2021
Submitted by: weflybye
Region: Lewis County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 10, 2021
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