He points out that in one case of the 50 or so studied so far, Wolbachia contributed to insect speciation. F.P. O'Hara, and J.H. Werren. Wolbachia -induced incompatibility precedes other hybrid incompatibilities in Nasonia . Breeuwer, H., and J.H. Werren. Microorganisms associated with chromosome destruction and reproductive isolation between two insect species.
Infected butterflies reverse sex roles.
Seppa, N. 2000. Common antibiotic may cure river blindness. Travis, J. 1997. Deadly bacteria pop up in fruit flies. Undesirable sex partners.