Ro/Ro_⊙ vs. S​_ph diagram for the Kepler stars in our sample. The effective temperature, T_eff, is color-coded. The stars for which we have a clear detection of longitudinal active nests are highlighted with red circles, and the stars with a possible signature are highlighted with black squares. The minimum and maximum S​_ph values computed by Salabert et al. (2016b) for the Sun are shown by horizontal dashed yellow lines. The star identifiers of the figure correspond to those given in Table 1.