Phyciodes mylitta (W.H. Edwards, 1861)
Identification: Upperside is bright reddish orange with narrow dark markings. Lacks the prominent black inner marginal spot of Phyciodes pallidus. Underside is yellow-orange with somewhat blurry rusty orange markings.
Wing Span: 1 1/8 - 1 1/2 inches (3 - 3.8 cm).
Life History: Males perch or patrol all day near host plants for females. Eggs are deposited on underside of host plant leaves; caterpillars eat leaves. Young caterpillars may live in a small silken nest; partially-grown caterpillars hibernate.
Flight: Two broods in the north from April-September, several in the south from February-November.
Caterpillar Hosts: Native thistles (Cirsium), milk thistle (Silybum marianum), and European thistles (Carduus).
Adult Food: Flower nectar.
Habitat: From sea level to 8000 feet in mountains, fields, meadows, roads, vacant lots, parks, and fencerows.
Range: Southern British Columbia southeast through the Rocky Mountain region to Mexico; south to Washington, Oregon, and California.
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.
Displaying 1 - 24 of 798 verified sightings
Observation date: Jul 23, 2019
Submitted by: Christian.Nunes
Region: Las Animas County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 31, 2019
Observation date: Jun 29, 2019
Submitted by: gasigr
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Dec 09, 2019