Echo Azure (Celestrina echo)

Formerly lumped as Spring Azure (Celestrina argiolus)

Lower Klickitat River, WA. 4/28/20

Mating Pair

Comment. Experts had considered Spring Azure as a complex of species or subspecies but Echo Azure now appears accepted. Pyle formerly called it C. argiolus, but now calls it C. echo. Some have called it C. landon.