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Moss's Elfin
Callophrys mossii
Size: 1.0 - 1.25 inches wingspan
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Key ID features: Above both sexes grayish brown. Below shades of reddish-brown with variable amount of lighter overscaling giving a somewhat frosted look, sometimes with shades of lavender. Broken white median line, stronger on HW. No tails.
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Similar species: Hoary Elfin has much stronger frosted look between trailing margin and postmedian line.
Host plant: Several species of Stonecrop (Sedum).
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Habitat: Rocky slopes and ridges, canyon side slopes, stony flats, buttes, cliffs at oceanside. ​
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Range: Northern Cascades Range, Siskiyou Mtns, Ochocos, Blue Mtns.
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Season: Mid-February to mid-July
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Abundance: Uncommon
Conservation Status: Secure
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