Key features

• Coloration: Wings are mostly shades of brown except for the clear circular "eye spots" in the middle of each wing. A vertical line runs parallel to the margin of each wing.
• Shape: Rounded wing tips, feathery antennae
• Wingspan: 10-15 cm

When and where to find them

• Flight period in our area: late May through July potentially
• Activity period: NOCTURNAL
• Host plant tree/shrubs: Birch, Willow, Maple, Oak, Ash

Links to more photos of this species

Butterflies and Moths of North America Flickr pool

BugGuide.net

Bugwood Network images

Kirby Wolfe photo collection

Links to more information about this species

Island Creek Elementary School

Montana field guide

Moth Magic

Sources
Tuskes, P.M., J.P. Tuttle, M.M. Collins. (1996) The Wild Silk Moths of North America: A Natural History of the Saturniidae of the United States and Canada. Cornell University Press. Ithaca, NY.
Covell, C.V. (2005) A Field Guide to Moths of Eastern North America. Virginia Museum of Natural History. Martinsville, VA.