Urbana, Illinois, USA.
Several species of fireflies, including Photinus tremulans (single sparkles) and a blue ghost Phausis reticulata (long trail at lower right), light up a meadow in the Smoky Mountains. Gatlinburg, Tennessee, USA.
A hidden meadow of Photuris fireflies sparkles near midnight in the Smoky Mountains. Gatlinburg, Tennessee, USA.
