Fig. 2
From: The disposable male— the ultimate emancipation of females?
The consequences of replacement reproduction for relatedness of colony members to the primary queen and king. a ‘Standard’ replacement reproduction, where secondary reproductives are both produced sexually by the primary reproductives. b Replacement reproduction where the secondary queen is formed by asexual queen succession, so that the primary queen extends her genetic life span, but the secondary king is formed by sexual reproduction of the primary king and queen