Theories of parental manipulation point out that the transition from solitary to eusocial appears to involve some stages where dominance interactions are required to suppress the reproductive tendencies of group members ; that is , females are manipulated into acting as workers , even if it is against their own self-interest . Theories of parental manipulation point out that the transition from solitary to eusocial appears to involve intermediate stages where dominance interactions are required to suppress the reproductive tendencies of group members ; that is , females are manipulated into acting as workers , even if it is against their own self-interest .