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Re: Wasps in rotting dino eggs

On Tue, Aug 9th, 2011 at 6:53 AM, "Richard W. Travsky" <rtravsky@uwyo.edu> 

> http://news.nationalgeographic.com/news/2011/07/110719-wasps-eggs-dinosaurs-titanosaurs-
> 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.

The paper can be downloaded for free:

I don't think  'roost' is quite the right word for what wasps were doing in the 
eggs (although it's 
only used in the National Geographic piece).


Dann Pigdon
Spatial Data Analyst               Australian Dinosaurs
Melbourne, Australia               http://home.alphalink.com.au/~dannj