Mesorhabditis belari




Rev 09/17/2020

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Morphology and Anatomy Life Cycle
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        Mesorhabditis belari (Nigon, 1949) Dougherty, 1953


Rhabditis belari Nigon, 1949

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Morphology and Anatomy:




Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:



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Biology and Ecology:

Mesorhabditis belari is a species of entomopathogenic nematodes that appears to have a symbiotic association with bacteria of the family Enterbactericeae (Manjula et al., 2020).

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Life Cycle:

Mesorhabditis belari reproduces by a rather unique form of parthenogenesis known as auto-pseaudogamy. In pseudogamy, the presence of  male sperm is necessary to activate development of oocytes but DNA is not transferred.  In most cases of pseudogamy, the sperm is obtained by copulation with other species. In auto-pseudogamy, females produce a small number of male offspring to satisfy their need for sperm (Launay et al., 2020).

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

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Ecosystem Functions and Services:


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Dougherty, E. C. 1953. The genera of the subfamily Rhabditinae Micoletzky, 1922 (Nematoda). Thaper Commemoration Volume:69– 76.

 Dougherty, E.C. 1955. The genera and species of the subfamily Rhabditinae Micoletzky, 1922 (Nematoda): A nomenclatorial analysis, including an addendum on the composition of the family Rhabditidae Örley, 1880. Journal of Helminthology 29:105-152.

Launay, C., Félix, M., Dieng, J. et al. 2020. Diversification and hybrid incompatibility in auto-pseudogamous species  of Mesorhabditis nematodes. BMC Evol Biol 20, 105.

Manjula, P. Lalitha, K., Shivakumar, M.S. 2020. Diet composition has a differential effect on immune tolerance in insect larvae exposed to Mesorhabditis belari, Enterobacter hormaechei and its metabolites. Experimental Parasitology 208:1-7.

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Copyright © 1999 by Howard Ferris.
Revised: September 17, 2020.

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