Genome size DNA-histograms of S. xantotricha, M. rufiventris and M. mondury through analysis of nuclear suspensions of cerebral ganglion tissue, stained with PI. (a) Female D. melanogaster (internal standard 2C = 0.36 pg, channel 100) and male S. xantotricha (1C = 0.42 pg, channel 117). (b) Male S. xantotricha(1C = 0.42 pg, channel 100) and female S. xantotricha (2C = 0.88 pg, channel 210). (c) Female S. xantotricha (2C = 0.88 pg, channel 100) and female M. rufiventris (2C = 1.85 pg, channel 210). (d) Female S. xantotricha (2C = 0.88 pg, channel 100) and female M. mondury (2C = 1.89 pg, channel 215). (e) Female M. mondury (channel 100) and female M. rufiventris (channel 100).