Incertae sedis 239 Thao et al. 2002 Tremblaya (sic) Thao et al. 2002 Tremblayella corrig. Thao et al. 2002 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Betaproteobacteria Garrity et al. 2006 emend. Boden et al. 2017 Incertae sedis 238 Thao et al. 2002 Incertae sedis 239 Thao et al. 2002 Incertae sedis 238 Thao et al. 2002 Tremblaya (sic) Thao et al. 2002 Tremblayella corrig. Thao et al. 2002 Thao M.L. Gullan P.J. Baumann P. Secondary (gamma-Proteobacteria) endosymbionts infect the primary (beta-Proteobacteria) endosymbionts of mealybugs multiple times and coevolve with their hosts. 2002 68 7 3190 3197 Applied and Environmental Microbiology Appl Environ Microbiol 0099-2240 1098-5336 10.1128/AEM.68.7.3190-3197.2002 12088994