1.Singer M, McBride C. Multitrait, host-associated divergence among sets of butterfly populations: implications for reproductive isolation and ecological speciation. Evolution. 2010;64(4):921–33. PMID: 19817847 Reference Link
1.McBride C, Singer M. Field studies reveal strong postmating isolation between ecologically divergent butterfly populations. PLoS Biol. 2010;8(10):e1000529. PMCID: PMC2964332 Reference Link
