Six years ago, the Swiss entomologist Rainer Neumeyer discovered a population of paper wasps in wetlands close to Zurich. (sciencedaily.com)
The Swiss paper wasp occurs in Switzerland, Austria, Belgium, Czech Republic, Slovakia, France, Germany and Luxembourg. (sci-news.com)
Cellulose acetate loses strength as it absorbs water, so the skin is waterproofed by adding a protein found in paper wasp saliva that makes their nests hydrophobic. (discovermagazine.com)