Steffania adelgidicola Toenshoff et al. 2012 Toenshoff E.R. Penz T. Narzt T. Collingro A. Schmitz-Esser S. Pfeiffer S. Klepal W. Wagner M. Weinmaier T. Rattei T. Horn M. Bacteriocyte-associated gammaproteobacterial symbionts of the Adelges nordmannianae/piceae complex (Hemiptera: Adelgidae). 2012 6 2 384 96 The ISME Journal ISME J 1751-7362 1751-7370 10.1038/ismej.2011.102 21833037 Isolated from Adelges nordmannianae/piceae Grafrath, Germany (Host plant, Abies nordmanniana). GenBank accession number (insect host) HQ668157 (coI), HQ668167 (ef1alpha).