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L'entomophthoraleNeozygites fumosa pathogène de la Cochenille du manioc,Phenacoccus manihoti [Hom.: Pseudococcidae], en République populaire du Congo

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Résumé

Uniquement connue du sud des Etats-Unis d'Amérique, l'EntomophthoraleNeozygites fumosa (Speare) Remaudière & Keller a été retrouvée en République populaire du Congo, où elle attaque la Cochenille du manioc,Phenacoccus manihoti Matile-Ferrero [Hom.: Coccoidea Pseudococcidae]. De légères variations d'ordre biométrique sont mises en évidence au sein de l'espèce fongique. A ce jour, parmi les Entomophthorales mentionnées dans la littérature comme pathogènes de Cochenilles, seules deux espèces peuvent être retenues avec certitude:Neozygites fumosa etConidiobolus pseudococci Speare (Tyrrell & MacLeod), toutes deux pathogènes dePseudococcidae.

Summary

The entomophthoraceous fungus,Neozygites fumosa (Speare) Remaudière and Keller, which was only known from the south of the U.S.A., was found in the People's Republic of the Congo, on the Cassava mealybug,Phenacoccus manihoti Matile-Ferrero [Homoptera: Coccoidea, Pseudococcidae]. Slight biometrical variations appear within the fungal species. At the present time, among the Entomophthorales cited in the literature as parasitizing Coccoidea, two species only can be retained with certainty:Neozygites fumosa andConidiobolus pseudococci Speare (Tyrrell and MacLeod), both attackingPseudococcidae.

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Authors and Affiliations

  1. Laboratoire d'Entomologie agricole, Centre ORSTOM de Brazzaville, B.P. 181, Brazzaville, Congo

    B. Le Rü

  2. Unité de Lutte biologique contre les Insectes, Institut Pasteur, 25, rue du Dr Roux, 75015, Paris, France

    P. Silvie & B. Papierok

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  1. B. Le Rü
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  2. P. Silvie
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  3. B. Papierok
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Le Rü, B., Silvie, P. & Papierok, B. L'entomophthoraleNeozygites fumosa pathogène de la Cochenille du manioc,Phenacoccus manihoti [Hom.: Pseudococcidae], en République populaire du Congo. Entomophaga 30, 23–29 (1985). https://doi.org/10.1007/BF02372279

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