Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insects with obvious wings: greater than 1 inch long or wingspan is 2 inches or more > Polyphemus moth

Polyphemus moth

Lacy L. Hyche, Auburn University, Bugwood.org

Kevin D. Arvin, Bugwood.org

Description: 4 - 5 inch wingspan. Brown wings with a large blue and yellow eyespot on each hind wing.

Where/When: Associated with many different hardwood trees; commonly found at outdoor lights; present May into July.

Significance: One of the largest moths in Minnesota.