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Roy L., El Adouzi M., Moraza M. L., Chiron G., de Janti E. V., Le Peutrec G., Bonato Olivier. (2017). Arthropod communities of laying hen houses : an integrative pilot study toward conservation biocontrol of the poultry red mite Dermanyssus gallinae. Biological Control, 114, 176-194. ISSN 1049-9644

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Lien direct chez l'éditeur doi:10.1016/j.biocontrol.2017.08.006

Titre
Arthropod communities of laying hen houses : an integrative pilot study toward conservation biocontrol of the poultry red mite Dermanyssus gallinae
Année de publication2017
Type de documentArticle référencé dans le Web of Science WOS:000411473000023
AuteursRoy L., El Adouzi M., Moraza M. L., Chiron G., de Janti E. V., Le Peutrec G., Bonato Olivier.
SourceBiological Control, 2017, 114, p. 176-194. ISSN 1049-9644
RésuméThe poultry red mite (PRM), Dermanyssus gallinae (de Geer), is a hematophagous mite of economic importance in the poultry industry. Because PRM lives off-host in habitats potentially shared by many micropredators, bio-control agents have potential to regulate this pest in poultry buildings. The present pilot study was conducted to obtain a first insight into predatory and parasitic arthropod communities that naturally occur on layer farms in France. Species composition and sensitivity to insecticides were determined to estimate the feasibility of conservation biological control (CBC) of PRM based on a 2-scale concept (regional and local effects). A morpho-molecular approach was used to characterize the taxonomic composition of manure-dwelling arthropod communities, with a focus on mesostigmatid mites, that naturally occur in free-range layer farms. Additionally, the sensitivity of some dominant mite species to a common insecticide (deltamethrin) was measured via bioassays. The putative roles of recorded taxa within ecological guilds and their dispersal habits are discussed based on the results of multivariate and univariate analyses. Local and regional factors had significant effects on both highlevel taxonomic arthropod groups and mesostigmatid morphospecies. In addition to documenting the occurrence and apparent establishment of highly mobile arthropods in hen houses, these results are considered promising for the development of CBC against PRM. Populations of two recurrent mesostigmatid morphospecies demonstrated an extreme sensitivity to the pyrethroid, suggesting that even very low levels of insecticide use are likely to have unnoticed deleterious effects on natural regulation processes in layer buildings. Lastly, a robust method for exploring mesostigmatid mite communities in manure is provided.
Plan de classementSciences du monde animal [080] ; Entomologie médicale / Parasitologie / Virologie [052]
Descr. géo.FRANCE
LocalisationFonds IRD [F B010071042]
Identifiant IRDfdi:010071042
Lien permanenthttp://www.documentation.ird.fr/hor/fdi:010071042

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