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A new entomopathogenic nematode species and its association with a facultative necromenic nematode Cover

A new entomopathogenic nematode species and its association with a facultative necromenic nematode

Open Access
|Dec 2024

Abstract

This is the report of mixed infection of an entomopathogenic nematode and a free-living bacteriophage nematode both invading Galleria mellonella larvae, apparently showing strong intraguild competition. The entomopathogenic nematodes isolated in this study were classified as Heterorhabditis kankabi n. sp., and Metarhabditis rainai through light and electronic microscopy, sequencing of ITS and 28S ribosomal DNA regions, and phylogenetic analyses. The bacteriophage nematode M. rainai was recognized as a facultative necromenic nematode, as it consumed the food resources obtained by entomopathogenic nematodes, directly affecting the life cycle of the later by stopping their development and forcing them to leave G. mellonella in search of new hosts.

DOI: https://doi.org/10.2478/helm-2024-0038 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 345 - 356
Submitted on: Sep 6, 2023
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Accepted on: Oct 23, 2024
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Published on: Dec 31, 2024
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2024 M. B. Ávila-López, D. I. Hernandez-Mena, J. E. Ibarra, V. M. Vidal-Martínez, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.