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
Verified Sightings
Displaying 25 - 48 of 573 verified sightings
Observation date: Jun 12, 2021
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 16, 2021
Observation date: Jun 18, 2021
Submitted by: J Tinsman
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jun 26, 2021
Observation date: May 31, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 25, 2021
Observation date: May 04, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: CA Ivy
Verified date: Jun 10, 2021
Observation date: May 02, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 21, 2021
Observation date: May 03, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 21, 2021
Observation date: May 09, 2021
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 09, 2021
Observation date: Jun 13, 2020
Submitted by: WYbutterflyer1
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 23, 2021
Observation date: May 29, 2019
Submitted by: briahna
Region: Washoe County, Nevada, United States
Verified by: J_Martineau
Verified date: Feb 05, 2021
Observation date: Sep 14, 2018
Submitted by: stevecary
Region: Bonneville County, Idaho, United States
Verified by: stevekohler
Verified date: Feb 02, 2021
Observation date: Jun 04, 2020
Submitted by: monsy2
Region: Bannock County, Idaho, United States
Verified by: stevekohler
Verified date: Feb 02, 2021
Observation date: Jun 30, 2019
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 25, 2021
Observation date: Jul 04, 2020
Submitted by: J_Martineau
Region: Daggett County, Utah, United States
Verified by: J_Martineau
Verified date: Jan 05, 2021
Observation date: Aug 13, 2020
Submitted by: Christian.Nunes
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 20, 2020
Observation date: Sep 20, 2020
Submitted by: CouleeDam
Region: Grant County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 23, 2020
Observation date: Sep 09, 2020
Submitted by: MAKI
Region: Pershing County, Nevada, United States
Verified by: Ken Davenport
Verified date: Sep 19, 2020
Observation date: Sep 13, 2020
Submitted by: kathy lichtendahl
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 17, 2020
Observation date: Sep 04, 2020
Submitted by: falco1
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 05, 2020
Observation date: Aug 28, 2020
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 29, 2020
Observation date: Jun 13, 2020
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 20, 2020
Observation date: Jun 02, 2020
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 14, 2020
Observation date: Jun 04, 2020
Submitted by: Luna-Linuche.76
Region: Klamath County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 08, 2020
Observation date: Jun 03, 2020
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2020
Observation date: May 04, 2020
Submitted by: Birder2
Region: Sherman County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 12, 2020
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