© 2018-19 by Neil Henning Björklund

Iron Mtn, Linn Co, July 22

Edith's

Checkerspot

Euphydryas editha

Size: Up to 2.25 inch wingspan

Key ID features:  Above black with alternating red and white spot bands separated by black lines.  HW below has red and white bands, which, from the margin run red-white-red-red-white. 

Similar species: Snowberry checkerspot has red-white-red-white-white band pattern on HW below.

Host plant: Several species in the figwort family, including paintbushes (Castilleja), penstemons, and monkeyflowers.

Habitat: Subalpine and alpine meadows, sage-steppe. Frequently found on the highest point of the area. 

Range: Cascade Range, Siskiyous, central Coast Range, parts of the Blue Mtns, Wallowa Mtns, and SE Oregon.

Season: Late May to late July

Abundance: Common 

 

Conservation Status: Secure, except ssp. taylori, which is listed as Endangered under the Endangered Species Act.