Wild Utah Photos of Butterflies, Great Basin Wood-nymph, Cercyonis sthenele, Adult Female Butterfly emerging from pupa, Female collected July 28, 2007, Johnson Pass, Stansbury Mountains, 1.9 miles ESE Blue Canyon, Tooele County, Utah, Elevation 6500 feet

Great Basin Wood-Nymph
Cercyonis sthenele masoni
Female Eclosure

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Photo Details - ©Nicky Davis
Todd Stout collected females July 28, 2007 at 6500 feet, Johnson Pass, Stansbury Mountains, 1.9 miles ESE Blue Canyon, Tooele County, Utah.

Photos of the butterfly emerging from pupa , inflating wings and drying them.

Description
1 3/8 to 1 11/16"

They have two eyespots and the upper eyespot is larger in the male but about the same size in the female. Eyespots are of equal distance from the outer edge of wing. Dark basal half of hindwing underside is separated from lighter outer half by an irregular dark line.

Univoltine and the larvae hibernate immediately after emerging.

Habitat
Juniper or pinyon-juniper woodlands, sagebrush

Host Plants
Grasses