Killer, J., Votavová, A., Valterová, I., Vlková, E., Rada, V., Hroncová, Z. 2014. Lactobacillus bombi sp. nov., from the digestive tract of laboratory-reared bumblebee queens (Bombus terrestris). Int. J. Syst. Evol. Microbiol. 64 : 2611-2617.