Wolbachia pipientis should not be split into multiple species: A response to Ramírez-Puebla et al., "Species in Wolbachia? Proposal for the designation of 'Candidatus Wolbachia bourtzisii', 'Candidatus Wolbachia onchocercicola', 'Candidatus Wolbachia blaxteri', 'Candidatus Wolbachia brugii', 'Candidatus Wolbachia taylori', 'Candidatus Wolbachia collembolicola' and 'Candidatus Wolbachia multihospitum' for the different species within Wolbachia supergroups"
1 Department of Entomology, University of California Riverside, Riverside, CA, USA. Electronic address: alind005@ucr.edu.
2 Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA; Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, TN, USA.
3 Department of Biology, Indiana University, Bloomington, IN, USA.
4 Department of Entomology, Center for Infectious Disease Dynamics, and the Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, PA, USA.