Southern Rocky Mountain Orangetip
Anthocharis julia W.H. Edwards, 1872
Family: Pieridae
Subfamily: Pierinae
Identification: Male white, female pale yellow. Very similar to Stella Orangetip but male pure white with darker marbling below.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.1 cm.).
Life History: Males patrol, mostly in valleys, for females. Eggs are laid singly near tops of host plants. Young caterpillars feed on flower buds, older ones on flowers and fruits. Chrysalids hibernate.
Flight: May-June.
Caterpillar Hosts: Rock cresses (Arabis) species.
Adult Food: Flower nectar, including that of rock cresses, violets, and other mustard family plants.
Habitat: Foothill and mountain canyons, meadows and streamcourses.
Range: Southeastern Wyoming south through Colorado Rockies into New Mexico.
Conservation: Conserve restricted populations.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Preserve host plant and flyway habitats.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 88 verified sightings
Observation date: Apr 16, 2025
Submitted by: MinPinLord
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 20, 2025
Observation date: Apr 18, 2025
Submitted by: weflybye
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 19, 2025
Observation date: May 14, 2024
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 08, 2025
Observation date: May 27, 2024
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Jul 01, 2024
Observation date: Jun 20, 2024
Submitted by: hiker96
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 20, 2024
Observation date: Apr 04, 2024
Submitted by: plex1ppus
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 29, 2024
Observation date: Apr 09, 2022
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 12, 2024
Observation date: Jun 22, 2023
Submitted by: Bob Patton
Region: Boundary County, Idaho, United States
Verified by: stevekohler
Verified date: Nov 24, 2023
Observation date: Aug 07, 2023
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 16, 2023
Observation date: Jul 07, 2023
Submitted by: JenniferLupine
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 10, 2023
Observation date: May 13, 2023
Submitted by: hmtonn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: May 15, 2023
Observation date: May 13, 2023
Submitted by: hmtonn
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: May 15, 2023
Observation date: Apr 25, 2023
Submitted by: weflybye
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: May 01, 2023
Observation date: Apr 27, 2023
Submitted by: LunaLT
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: May 01, 2023
Observation date: May 08, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 15, 2023
Observation date: May 12, 2022
Submitted by: Tim Shortell
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Feb 11, 2023
Observation date: May 12, 2022
Submitted by: Tim Shortell
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Feb 11, 2023
Observation date: Jul 12, 2022
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Feb 03, 2023
Observation date: Jun 03, 2020
Submitted by: Heidiho
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 10, 2022
Observation date: Jun 21, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Sep 07, 2022
Observation date: May 16, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 10, 2022
Observation date: Jul 26, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 26, 2022
Observation date: Jul 24, 2022
Submitted by: weflybye
Region: Grays Harbor County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 25, 2022
Observation date: Jun 02, 2022
Submitted by: Cascade Colors
Region: Jefferson County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 29, 2022
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