Species Page: Say’s Parnassian (Parnassius smintheus sayi)

Say’s Parnassian

Parnassius smintheus sayii W. H. Edwards, 1863

Family: Papilionidae

Status: Rare western resident, possibly extirpated.

NENHP Ranking: S1, Tier 2

Range: This species is found from western Alaska southeast to northern New Mexico. It has been recorded from the westernmost panhandle counties in Nebraska.

Larval Hostplant(s): Stonecrop (Sedum lanceolatum).

Broods/Flight Times: One early summer flight from mid June to mid July.

Overwintering: As an egg or partially grown larvae.

Habitat: Old literature and specimens in the University of Nebraska – Lincoln collection suggest this species was common in the Sioux County canyonlands in the early 1900s.

Avg. Wingspan: 1 3/4 – 2 1/2 inches

Found at: Gilbert-Baker SWMA

Similar Species: None


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