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Une rickettsiose chez une Cétoine de Madagascar

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Résumé

Des larves de Cétoines non encore déterminées se sont révélées atteintes d'une rickettsiose dans une localité du nord-est de Madagascar. L'agent pathogène, de 730 mμ×240 mμ, se développe dans le cytoplasme du tissu adipeux, de l;hypoderme et des œnocytes et est accompagné par les cristaux déjà observés dans la plupart des rickettsioses d'insectes.Rickettsiellen cetonidarum est proposé comme dénomination.

Summary

Larvae ofCetonidae not yet determined were found affected with a rickettsial disease in a biotop in the North East of Madagascar.

The pathogenic agent measuring 730 mμ×240 mμ develops in the cytoplasm of the fat body, the hypoderm and the oenocysts; it involves formation of accompanying crystals previously observed in most of the insect rickettsioses.

Rickettsiella cetonidarum is suggested as a denomination of the pathogenic agent.

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Meynadier, G., Monsarrat, P. Une rickettsiose chez une Cétoine de Madagascar. Entomophaga 14, 401–406 (1969). https://doi.org/10.1007/BF02390545

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