Guests learn about fireflies from University of Minnesota Entomologist Eric Middleton at The Firefly Experience event. The $1.3 billion Firefly Credit Union in Burnsville, Minn., worked in collaboration with the Minnesota Landscape Arboretum and University of Minnesota to host the event, a free and interactive opportunity for families to experience the magic of fireflies. Guests were invited to learn about fireflies, including ways to find them, from Middleton. Later, they had the chance to walk through the arboretum at dusk in search of illuminated friends. The event was held on July 12, and due to an overwhelming amount of interest, an additional date was added for July 13.