Name: Clavibacter insidiosus (McCulloch 1925) Li et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: "Aplanobacter insidiosum" McCulloch 1925

Etymology: in.si.di.o’sus. L. masc. adj. insidiosus, deceitful, insidious

Pronunciation, gender: in-si-di-O-sus, masculine

Type strain: ATCC 10253; CCUG 38895; CFBP 2404; CIP 105048; CIP 105363; DSM 20157; ICMP 2621; JCM 9664; LMG 3663; NCPPB 1109; VKM Ac-1402

Conduct genome-based taxonomy at

16S rRNA gene: MT758032 Analyse FASTA

Valid publication: Li X, Tambong J, Yuan KX, Chen W, Xu H, Levesque CA, De Boer SH. Re-classification of Clavibacter michiganensis subspecies on the basis of whole-genome and multi-locus sequence analyses. Int J Syst Evol Microbiol 2018; 68:234-240.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 1 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:979-981.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Corynebacterium michiganense subsp. insidiosum (McCulloch 1925) Carlson and Vidaver 1982	homotypic synonym, validly published under the ICNP, distinct rank
    Clavibacter michiganense subsp. insidiosum (McCulloch 1925) Davis et al. 1984	homotypic synonym, inaccurate spelling, distinct rank
    Clavibacter michiganensis subsp. insidiosus corrig. (McCulloch 1925) Davis et al. 1984	homotypic synonym, validly published under the ICNP, distinct rank
    Corynebacterium insidiosum (McCulloch 1925) Jensen 1934 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Clavibacter michiganensis subsp. insidiosum (McCulloch 1925) Davis et al. 1984	homotypic synonym, inaccurate spelling, distinct rank
    "Aplanobacter insidiosum" McCulloch 1925	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Corynebacterium insidiosum (McCulloch 1925) Jensen 1934 (Approved Lists 1980), which has a risk group (Swiss Confederation) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Clavibacter michiganensis subsp. insidiosus corrig. (McCulloch 1925) Davis et al. 1984, which has a risk group (Swiss Confederation) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 🎓 Name mentioned 4 times in PubMed until 2025-06-04.
  • 🫡 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 risk group of the species itself. This name is not taxonomically suspended any more in favour of Corynebacterium insidiosum (McCulloch 1925) Jensen 1934 (Approved Lists 1980). Publication: Jensen HL. Studies on saprophytic Mycobacteria and Corynebacteria. Proceedings of the Linnean Society of New South Wales 1934; 59:19-61. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 On the Notification List in the April 2018 issue of IJSEM, the List Editors state that the names Clavibacter capsici, Clavibacter insidiosus, Clavibacter nebrasksensis, Clavibacter sepedonicus and Clavibacter tesselarius proposed by Li et al. are illegitimate as they contravene Rule 34a and 50a of the International Code of Nomenclature of Prokaryotes. The use of illegitimate names contravenes Rule 51a. Objection: Tindall (2019). Publication: Tindall BJ. The role of incorrect citation of the International Code of Nomenclature of Prokaryotes and subsequent misinterpretation in causing unnecessary nomenclatural confusion. Int J Syst Evol Microbiol 2019; 69:2621-2625.

Parent taxon: Clavibacter Davis et al. 1984

Assigned by: Li X, Tambong J, Yuan KX, Chen W, Xu H, Levesque CA, De Boer SH. Re-classification of Clavibacter michiganensis subspecies on the basis of whole-genome and multi-locus sequence analyses. Int J Syst Evol Microbiol 2018; 68:234-240.

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Record number: 798137