Size: 1.25 - 1.5 inches wingspan

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Key ID features:  Smallish. Above lemon yellow, with solid dark brown to black borders. Below, HW dusted with black over-scaling, sometimes giving olive cast. On HW below, discal spot is small, thickly-rimmed in rose or reddish brown. Forewing also has more black over-scaling than other sulphurs in Oregon. Wing edges have a narrow rose-colored band (not pink).

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Similar species:  This species has more extensive black overscaling on the VFW, which extends further from the FW leading edge. Clouded Sulphurs have double ring around discal spot on HW below. Western Sulphurs look greenish on HW below. Pink-edged Sulphurs have more rounded wings, and have much less overscaling below and have pink wing borders.

 

Host plant: Various species of Vaccinium (huckleberry).​

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Habitat: High forest clearings and moist meadows with Vaccinium.

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Range: In Oregon, only found in Wallowa Mtns and on Steens Mtn.

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Season: Late June to early-September

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Abundance: Uncommon

 

Conservation Status: Secure