Happily, your picnic friend is unlikely to bring a swarm of wasps to your table, because social wasps are poor recruiters.

The German wasp (Vespula germanica) is one of the best-known social wasp species in Central Europe. It builds its nests from a papery mass made from chewed wood fibers and saliva.

U.S. Army Garrison Ansbach is home to various bees, wasps and hornets and while some are more aggressive than others, they ...