title: Evolution: a royal seal for wasp eggs.
abstract: In many social insects, the queen's reproductive primacy is enforced by policing. If a worker lays an egg, police workers eat it. They spare queen-laid eggs because they are marked with a royal scent, now identified in a wasp.
authors.affiliation: Behaviour and Genetics of Social Insects Lab, School of Biological Sciences A12, University of Sydney, Sydney NSW 2006, Australia. Electronic address: Benjamin.oldroyd@sydney.edu.au.
authors.forename: Benjamin P
authors.initials: BP
authors.lastname: Oldroyd
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D004531:Eggs; D012919:Social Behavior; D014863:Wasps / Q000502:physiology*