Gloria McComas catches fireflies in her yard in Woodbine, Md., in June 2011.
Gloria McComas catches fireflies in her yard in Woodbine, Md., in June 2011. Karl Merton Ferron MCT
Gloria McComas catches fireflies in her yard in Woodbine, Md., in June 2011. Karl Merton Ferron MCT

NC scientists shed light on mysteries of fireflies

June 14, 2015 12:20 AM