A mating pair of strashilids, fossil insects from the Jurassic that resemble modern aquatic flies.
A male strashilid fly with grasping limbs from the Jurassic, found in Inner Mongolia.
Male and Female Flies
A reconstruction of the male strashilid fly (right) and the female (left).
This fossil strashilid, a male, reveals its large, membranous wing.
This illustration captures the likely ecology of Jurassic strashilids, from the larval stage to winged adulthood. Finally, the flies shed their wings and return to the water to mate and die.
Stephanie Pappas, Live Science Contributor
Stephanie Pappas is a contributing writer for Live Science. She covers the world of human and animal behavior, as well as paleontology and other science topics. Stephanie has a Bachelor of Arts in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz. She has ducked under a glacier in Switzerland and poked hot lava with a stick in Hawaii. Stephanie hails from East Tennessee, the global center for salamander diversity. Follow Stephanie on Google+.