Scientists led by Dr Bruce Archibald of Simon Fraser University have discovered three extinct species of big-headed flies that lived in what is modern North America during the early Eocene period, between 52 and 49 million years ago. Modern big-headed fly shows its round head covered by compound eyes. Image credit: Nikola Rahmé. “Big-headed flies are a group of bizarre insects whose round heads are almost entirely covered by their bulging compound...
