The Canadian Entomologist
This family is restricted to the paper-making wasps, all social species living in large communities and having three distinct sexes, female, worker, and male, thus agreeing with the social bees, the Apidea and Bombidae, and with many ants, Dorylidae, Myrmicidae, Formicidae, etc.
Ashmead, William H., "Classification of the Fossorial, Predateous and Parasitic Wasps, or the Superfamily Vespoidea No.6" (1902). An. Paper 87.