description Echo Azure Overview
The Echo Azure, Celastrina echo, is a small blue butterfly found in western North America. It belongs to the lycaenid group commonly known as azures, whose similar appearance has led to taxonomic study and changes in how some populations are classified. Adults have blue upperwings and paler, spotted undersides, with differences between sexes and related species requiring close examination. It is of interest to regional butterfly observers and lepidopterists.
help Echo Azure FAQ
What is the scientific name of the Echo Azure?
The Echo Azure is Celastrina echo. It is a small blue butterfly in the lycaenid group commonly called azures.
Where does the Echo Azure live?
It is found in western North America. Adults are often recognized by their small size and blue upper wings.
Why has the Echo Azure been studied taxonomically?
Several azure butterflies look very similar, which has led to taxonomic study and changes in how some populations are classified. Identification can therefore require more than a quick look at wing color.
What does an adult Echo Azure look like?
Adults have blue upper wings, with the exact appearance varying by sex, wear, and viewing angle. Celastrina echo is generally much smaller and more delicate than large swallowtail or fritillary butterflies.
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