Alternative adaptations, sympatric speciation and the evolution of parasitic, inquiline ants Bourke, Andrew F. G. ; Franks, Nigel R. Abstract Publication: Biological Journal of the Linnean Society Pub Date: July 1991 DOI: 10.1111/j.1095-8312.1991.tb00591.x Bibcode: 1991BJLS...43..157B