The Western Pygmy Blue is the smallest butterfly in North America, with a wingspan barely exceeding half an inch. Despite its tiny size it can be abundant in coastal salt marshes and desert washes. Its wings are dull brownish at the base with pale blue patches and a row of metallic spots near the trailing edge. Males are persistent flower visitors.
Habitat
Coastal salt marshes, alkali flats, and desert washes
Diet
Larvae: saltbush and glasswort. Adults: nectar from small flowers
How common
Common
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