More than eight decades ago, a mesmerizing butterfly with iridescent cobalt wings and stunning spots called the Xerces blue vanished from San Francisco. When it disappeared, the Xerces became ...

Eighty-Eight Butterfly; Blue Morpho Butterfly; Sylphina Butterfly; Angola White Swordtail Butterfly; Peacock Pansy Butterfly; Emeral Swallowtail Butterfly; Apollo Butterfly; Giant Owl Butterfly; ...