A student in Italy did an experiment with wasps and colored paper, which resulted in the insects building rainbow nests. This is how they do it. Italian biological science student Mattia Menchetti ...

German wasps (Vespula germanica) are very similar in appearance to the yellow-jacket, though very slightly bigger. Hornets build large nests of a paper-like material made from chewed wood mixed ...

A previous study by Souza and other collaborators showed that regulation of body temperature in paper wasps is not the main determinant of body size, as predicted by Bergmann's rule.