Name: Yersinia entomophaga Hurst et al. 2011

Category: Species

Proposed as: sp. nov.

Etymology: en.to.mo’pha.ga. Gr. neut. adj. entomon, cut up, segmented (animal) (used to refer to an insect); from Gr. masc./fem. adj. suff. -phagos, eater (voracious); N.L. fem. adj. entomophaga, insect eater

Pronunciation (Latin), gender: … en-to-MO-p^ha-ga, feminine

Type strain: ATCC BAA-1678; DSM 22339; MH-1; MH96

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: DQ400782 Analyse FASTA

Valid publication: Hurst MR, Becher SA, Young SD, Nelson TL, Glare TR. Yersinia entomophaga sp. nov., isolated from the New Zealand grass grub Costelytra zealandica. Int J Syst Evol Microbiol 2011; 61:844-849. 🇳🇿

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 4 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:1502-1503.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.04203 (N = 4).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "default: 1 Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1; MH96: 1 Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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.
  • 🎓 Name mentioned 26 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 genus.

Parent taxon: Yersinia van Loghem 1944 (Approved Lists 1980)

Assigned by: Hurst MR, Becher SA, Young SD, Nelson TL, Glare TR. Yersinia entomophaga sp. nov., isolated from the New Zealand grass grub Costelytra zealandica. Int J Syst Evol Microbiol 2011; 61:844-849. 🇳🇿

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Record number: 789166