Masarinae: pollen wasps Polistinae: paper wasps Stenogastrinae: hover wasps The Vespidae are a large (nearly 5000 species), diverse, cosmopolitan family of wasps, including nearly all the known eusocial wasps (such as Polistes annularis or Vespula germanica) and many solitary wasps. Each social wasp colony includes a queen and a number of female w... Found on http://en.wikipedia.org/wiki/Vespidae
(from the article `wasp`) ...by the female parent. There are more than 20,000 known species of wasps, the vast majority of which are solitary in habit. The social wasps are ... Found on http://www.britannica.com/eb/a-z/v/18