LW.. 2001b. The effect of sex-allocation biasing on the evolution of worker policing in hymenopteran societies. Ant Nat. 158.615-624. Foster. K.R.. Rainglis r.t.w.. 2001c. Paternity. tepreduCtion and conflict in vespine wasps: a model system for testing kin selection predictions. &bar. Ecol. Sotiobiol. 50. 1-