About Pterotus obscuripennis LeConte, 1859
The scientific name of this species is Pterotus obscuripennis LeConte, 1859. Adult males measure between 9.5 and 12 millimeters, making them smaller than females. They have fully developed wings, are capable of flight, have complex antenna structures, and are completely non-luminous. Adult females are larger, ranging from approximately 25 to 35 millimeters. They retain a fully larval body form, are flightless, and are colored cream to light golden brown. They are luminous, with phot organs located on their seventh and eighth abdominal segments. Larvae are mostly black, with cream to white coloring in the gaps between their body segments. They are luminous and predatory, feeding on slugs.
