Name: Xenorhabdus nematophila subsp. beddingii corrig. Akhurst 1986

Category: Subspecies

Proposed as: subsp. nov.

Etymology: bed.ding’i.i. N.L. gen. masc. n. beddingii, of Bedding, named for R.A. Bedding, who made significant contributions to the development of Xenorhabdus/Steinernema associations for insect pest control

Pronunciation (Latin), gender: … bed-DIN͡G-i-i, feminine

Type strain: ACM 2871; ATCC 49542; DSM 4764; Q58; Q58/1; UQM 2871

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X82254 Analyse FASTA

Valid publication: Akhurst RJ. Xenorhabdus nematophilus subsp. beddingii (Enterobacteriaceae): a new subspecies of bacteria mutualistically associated with entomopathogenic nematodes. Int. J. Syst. Bacteriol. 1986; 36:454-457. 🇦🇺

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Xenorhabdus beddingii (Akhurst 1986) Akhurst and Boemare 1993

Risk group: 1

• Synonyms:

  • Name	Kind
    Xenorhabdus nematophilus subsp. beddingii Akhurst 1986	other spelling of name, inaccurate spelling
    Xenorhabdus beddingii (Akhurst 1986) Akhurst and Boemare 1993	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Xenorhabdus nematophila subsp. beddingii is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Xenorhabdus nematophila within a separate genus Xenorhabdus.
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 Nom. corrig.: IJSEM 50:1691; Xenorhabdus nematophilus subsp. beddingii (sic). Publication: Euzeby JP, Boemare NE. The modern Latin word rhabdus belongs to the feminine gender, inducing necessary corrections according to Rules 65(2), 12c(1) and 13b of the Bacteriological Code (1990 Revision). Int J Syst Evol Microbiol 2000; 50:1691-1692. 🇫🇷
  • 🧍 The original spelling of the specific epithet, nematophilus (sic), has been corrected by Euzéby and Boemare 2000. Publication: Euzeby JP, Boemare NE. The modern Latin word rhabdus belongs to the feminine gender, inducing necessary corrections according to Rules 65(2), 12c(1) and 13b of the Bacteriological Code (1990 Revision). Int J Syst Evol Microbiol 2000; 50:1691-1692. 🇫🇷

Parent taxon: Xenorhabdus nematophila corrig. (Poinar and Thomas 1965) Thomas and Poinar 1979 (Approved Lists 1980)

Assigned by: Akhurst RJ. Xenorhabdus nematophilus subsp. beddingii (Enterobacteriaceae): a new subspecies of bacteria mutualistically associated with entomopathogenic nematodes. Int. J. Syst. Bacteriol. 1986; 36:454-457. 🇦🇺

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Record number: 783171