Wasps in rotting dino eggs

["Richard W. Travsky" <rtravsky@uwyo.edu>]

http://news.nationalgeographic.com/news/2011/07/110719-wasps-eggs-dinosaurs-titanosaurs-ancient-animals-science/

Wasps may have once roosted within rotting dinosaur eggs, an idea 
suggested by the discovery of exceptionally well-preserved fossils of 
insect cocoons.

Scientists were recently investigating several roughly 70-million-year-old 
titanosaur eggs found in the Patagonia region of Argentina.
...
Within one of the broken fossil eggs from Argentina, researchers found 
eight tiny, sausage-shaped structures about an inch (two to three 
centimeters) long and nearly a half-inch (just over a centimeter) wide.

The strange structures appear to be fossilized insect cocoons that are 
similar in size and shape to cocoons belonging to a number of modern wasp 
species.
...