About Eudonia spenceri Munroe, 1972
Eudonia spenceri is a species of moth that belongs to the family Crambidae. The species was first described by Eugene G. Munroe in 1972. It is native to North America, with recorded occurrences ranging from California and Arizona in the south, north to Montana and British Columbia. The forewings of adult moths measure between 8 and 9 millimeters in length. Adult Eudonia spenceri have been recorded in flight from April through September.