Specimens of the extinct Xerces blue butterfly, in the Field Museum's collection. (Courtesy of Field Museum)

Despite its diminutive size, the butterfly famed for its iridescent wings is a giant within the conservation movement, cited as the first case of an insect extinction that can be attributed to urban development.

Dr. Corrie Moreau, Assistant Curator of Insects at the Field Museum and Karen Kramer Wilson, Living Invertebrate Specialist at The Chicago Academy of Sciences and Peggy Notebaert Nature Museum, share their thoughts on the impact of Bee Colony Collapse Disorder.