© 2018-19 by Neil Henning Björklund

Jasper Rocks, Lane Co, April 1

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 strong 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