The manuscript about the role of population connectivity in an ant-plant mutualism stability was just published in the Journal of Evolutionary Biology.
 
Here is the complete reference:

 

Malé P-JG, Leroy C, Humblot P, Dejean A, Quilichini A & Orivel J (2016). Limited gene dispersal and spatial genetic structure as stabilizing factors in an ant-plant mutualism. J Evol Biol. 29(12):2519-29.

 

It can be found here. I wish you good reading!