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Close-up photo of adult Yuma Skipper butterfly

Ana Reservoir SP, Lake Co, August 1


Ochlodes yuma

Size: Up to 1.75 inch wingspan

Key ID features:  Large and plain. Above, tan-orange with graduated dark border. Male with black stigmata on FW, female with light spot band on FW. HW below plain pale tan.

Similar species: Large size and unmarked pale tan HW below distinct.

Host plant: Primarily American common reed (Phragmites australis ssp. americanus).

Habitat: Near stands of reeds along streams, seeps and marshes in alkaline lowlands. 

Range:  Summer Lake area in Lake County, Imnaha River canyon in Wallowa County.

Season: Early July to early September

Abundance: Uncommon


Conservation Status: Secure

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