Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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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