Correction to: The introduction history of invasive garden ants in Europe: integrating genetic, chemical and behavioural approaches.

Moreover, we removed the word ‘significantly’ in one of the sentences because one of correlations ( P = 0.06) is only marginally significant, whilst the other speaks for itself, remaining highly significant after recalculation. “ As all populations were assumed to have started with a small founder group of a single or very few nests, the present size of a population was also expected to be an indicator of age and both were indeed highly correlated (Pearson correlation, n = 14, r = − 0.849, P = 0.0001; see Table 1 for details).

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