Occidryas chalcedona Doubleday (1847)

are eaten by

• Global Biotic Interactions: Junco hyemalis (Linnaeus 1758) (Dark-eyed Junco)
• Global Biotic Interactions: Sialia mexicana Swainson 1832 (Western Bluebird)

are preyed upon by

• Global Biotic Interactions: Steatoda nobilis (Thorell 1875) (Cobweb weaver)
• Global Biotic Interactions: Myiarchus cinerascens (Lawrence 1851) (Ash-throated Flycatcher)

eat

• Global Biotic Interactions: Vicia villosa Roth (fodder vetch)
• Global Biotic Interactions: Triteleia laxa Benth. (Ithuriel's spear)
• Global Biotic Interactions: Castilleja affinis Hook. & Arn. (coast Indian paintbrush)
• Global Biotic Interactions: Lasthenia californica DC. ex Lindl. (California goldfields)
• Global Biotic Interactions: Amsinckia spectabilis var. spectabilis

have host

• Global Biotic Interactions: Pedicularis densiflora Benth. (Indian warrior)
• Global Biotic Interactions: Keckiella cordifolia (Benth.) Straw (heartleaf keckiella)
• Global Biotic Interactions: Castilleja exserta (Heller) T. I. Chuang & L. R. Heckard (exserted Indian paintbrush)
• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK131521553
• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK131485393

visit

• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK131491996
• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK131423451
• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK130919053
• Global Biotic Interactions: CORRUPTED VALUE for trait R20-PK128688293

visit flowers of

• Global Biotic Interactions: Dichelostemma capitatum (Benth.) Alph. Wood (bluedicks)
• Global Biotic Interactions: Eriophyllum confertiflorum (DC.) A. Gray (golden-yarrow)
• Global Biotic Interactions: Eriodictyon californicum (Hook. & Arn.) Greene (California yerba santa)
• Global Biotic Interactions: Carduus pycnocephalus L. (Italian plumeless thistle)
• Global Biotic Interactions: Eriophyllum lanatum (Pursh) Forbes (Common Woolly Sunflower)