Species Arsenophonus nasoniae

Name: Arsenophonus nasoniae Gherna et al. 1991

Category, proposed as: species, sp. nov.

Etymology: na.so’ni.ae. N.L. fem. n. Nasonia, a genus of parasitoid wasps; N.L. gen. fem. n. nasoniae, of Nasonia

Pronunciation (Latin), gender: ar-se-NO-p^ho-nus na-SO-ni-a͡e, masculine

Type strain: ATCC 49151; DSM 15247; LMG 12584; SK14

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY264674 Analyse FASTA

Valid publication: Gherna RL, Werren JH, Weisburg W, Cote R, Woese CR, Mandelco L, Brenner DJ. Arsenophonus nasoniae gen. nov., sp. nov., the causative agent of the son-killer trait in the parasitic wasp Nasonia vitripennis. Int. J. Syst. Bacteriol. 1991; 41:563-565. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 4 of the IJSB. Int J Syst Bacteriol 1992; 42:192.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Arsenophonus Gherna et al. 1991. Publication: Gherna RL, Werren JH, Weisburg W, Cote R, Woese CR, Mandelco L, Brenner DJ. Arsenophonus nasoniae gen. nov., sp. nov., the causative agent of the son-killer trait in the parasitic wasp Nasonia vitripennis. Int. J. Syst. Bacteriol. 1991; 41:563-565. 🇺🇸
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PI". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "n". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 29 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.
  • 🧍 According to Ludwig et al. (2021), this "species affiliates away from Morganellaceae and may be reclassified". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218. 🇪🇸
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. 🇺🇸

Parent taxon: Arsenophonus Gherna et al. 1991

Assigned by: Gherna RL, Werren JH, Weisburg W, Cote R, Woese CR, Mandelco L, Brenner DJ. Arsenophonus nasoniae gen. nov., sp. nov., the causative agent of the son-killer trait in the parasitic wasp Nasonia vitripennis. Int. J. Syst. Bacteriol. 1991; 41:563-565. 🇺🇸

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Record number: 773382