European Beewolves use a gas to preserve food

Scientists from the Universities of Regensburg and Mainz and the Max Planck Institute for Chemical Ecology discovered that the eggs of the European beewolf produce nitric oxide. The gas prevents the larvae’s food from getting moldy in the warm and humid brood cells.
The results were published in the journal eLife.

http://www.ice.mpg.de/ext/index.php?id=1557

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