Fig. 5

Colony representation across the three sampling years 2004, 2005 and 2006. Colonies Balrog through Zulus were represented in 2004, with new colonies Billandted through Verona arising in 2005, and further new colonies Amundsen through Xena arising in 2006. Of the 26 colonies sampled in 2004, 19 persisted in 2005, and 12 of these still persisted in 2006. Of the 21 new colonies arising in 2005, only eight persisted in 2006, with a further 28 new colonies arising that year