© 2018-20 by Neil Henning Björklund

Mule Mountain Ridge, Lane Co, August 5, male

Clodius Parnassian

Parnassius clodius

Size: 2.25 - 3 inches wingspan

Key ID features:  Above, white, gray/translucent wings with red spots, and all-black antennae. Same general pattern below, but HW below often has additional red patches basally, and red spots in the median area usually have pink centers. 

Similar species:  Mountain Parnassian (Parnassius smintheus), which is smaller, has black/white barred antennae.

 

Host plant: Pacific Bleeding Heart (Dicentra formosa).

Habitat: Mountain meadows and moist, open mountain woodlands, occasionally in lowlands.

Range: Western Oregon, Blue Mountains, Ochocos, Warner Mountains.

Season: late May to late August

Abundance: Common

 

Conservation Status: Secure