AKA Margined White
Size: 1.25 - 1.5 inches wingspan
Key ID features: Above milky-white, with black shading basally (near the thorax). Below, hindwing veins faintly lined with brownish back bands. Summer brood males usually nearly pure white.
Similar species: Cabbage White has black spot in center of FW.
Host plant: Cresses, toothworts and other mustard species.
Habitat: Openings in moist forests, usually coniferous.
Range: Throughout western Oregon west of the Cascades, and in Ochoco, Wallowa Blue, and Warner Mtns.
Season: Late March to early October
Conservation Status: Secure