Fossil Biology- Wasps Bred in Dinosaur Eggs

These tiny creatures lived way back in the time of the dinosaurs. New research was found that they used to breed and multiply in rotting dinosaur eggs. Some fossilized eggs contained fossilized insect cocoons that were similar in size and shape to modern day wasp cocoons.  This gives us an idea about how these insects have changed through the years and what causes these changes.

More: http://www.macroevolution.net/wasps-in-dinosaur-eggs.html#.T67m0MVaKSo