Lorquin=s Admiral (LEP119) Limenitis lorquini
This species occurs on the West Coast. The upperside is basically blackish brown, crossed by bands of large creamy spots. It is distinguished from the other banded admirals by its orange forewing tips. The males establish and defend territories, often on willow branches. The one in the drawing is shown visiting spreading dogbane, a preferred nectar source for many butterflies.