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Moss's Elfin

Jasper Rocks, Lane Co, February 24

Moss's Elfin

Callophrys mossii

Size: 1.0 - 1.25 inches wingspan

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.

Similar species: Hoary Elfin has much stronger frosted look between trailing margin and postmedian line.


Host plant: Several species of Stonecrop (Sedum).

Habitat: Rocky slopes and ridges, canyon side slopes, stony flats, buttes, cliffs at oceanside. 

Range: Northern Cascades Range, Siskiyou Mtns, Ochocos, Blue Mtns.

Season: Mid-February to mid-July

Abundance: Uncommon


Conservation Status: Secure

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