Figure 2ar of the above article is reprinted here at the request of the author because the print quality was not up to standard in the issue. Fig.2ar. Localization of 28S rDNA (white arrowheads) by fluorescence in situ hybridization of preparations from various Myrmecia species with different chromosome numbers. ad, im Hybridized in situ and propidium iodide-stained chromosomes. eh, nr 4,6-diamidino-2-phenylindole-stained chromosomes. a, e M. croslandi (2n=4). b, f M. pilosula (2n=22); the inset in b shows repeated layers of rDNA-positive signals in C-band. c, g M. pilosula (2n=23). d, h M. gulosa (2n=38). i, n M. forficata (2n=52). j, o M. mandibularis (2n=56). k, p Myrmecia sp. cf. M. arnoldi (2n=60) i, q M. occidentalis (2n=64) m, r M. simillima (2n=70). Bars represent 10 m. The long bar in h applies also to d; the short bar in r to all other panels