B(E2; L+ -> ( L - 2)(+)) values of low-lying states in the pseudo-mirror nuclei have been investigated for the mass regions A approximate to 100, A approximate to 130 and A approximate to 160. New candidates for pseudo-mirror nuclei have been presented. The B( E2) values maximum up to spin quantum number 10(+) of those nuclei have been extracted from the available data. The N pi N nu. number has been used as a label to group the nuclei of interest. An investigation into the existence data revealed that if the excited levels of nuclei keeping the same N pi N nu. have almost equal energies, then the pattern introduced by Casten holds for increasing spin number in the yrast state.