title: Direct fitness, reciprocity and helping: a perspective from primitively eusocial wasps.
authors: Department of Biology, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK. jeremy.field@ucl.ac.uk
authors: Jeremy
authors: J
authors: Field
authors: Michael A
authors: MA
authors: Cant
mesh_terms: D000533:Altruism; D000818:Animals; D001522:Behavior, Animal; D003299:Cooperative Behavior; D006379:Helping Behavior; D012098:Reproduction; D012641:Selection, Genetic; D012726:Sexual Behavior, Animal; D014863:Wasps