Résumé
La présence de blattes en milieu urbain est de plus en plus fréquente, et ceci quel que soit l’usage du bâtiment. En général, les programmes de contrôle consistent en des applications d’insecticides dont les résultats sont assez peu satisfaisants pour des raisons diverses, en particulier le prix de revient et la mauvaise application des produits avant qu’il ne soit nécessaire d’invoquer des phénomènes de résistance aux insecticides. Il faut préciser qu’en milieu urbain, le but du contrôle n’est pas de réduire la population des blattes à un niveau acceptable mais de la supprimer complètement Notre objectif était l’analyse des résultats d’une campagne de traitement insecticide dans des immeubles de l’Office Public des habitations à loyers modérés (HLM) infestés de blattes (Blattella germanica (L.)) pour mieux comprendre les raisons de l’échec de ces traitements. L’analyse multivariée nous a permis de mettre en évidence l’importance d’un certain nombre de facteurs environnementaux qui expliquent, au moins partiellement, la persistence des blattes dans les appartements, en particulier le nombre d’habitants/m2 et la saleté dans les appartements.
Abstract
The presence of cockroaches in urban environments is more and more frequent whatever the type of building. Pest control programmes generally consist of insecticide applications. Several reasons, like their expense or incorrect application, can explain why results are not satisfactory, not to mention the development of insecticide resistance. It must be stressed that the aim of pesticide control in urban areas is not only to reduce the pest population to an acceptable level, but to eliminate it completely. The aim of this investigation was to analyse the results of an insecticide treatment campaign in cockroach (Blattella germanica (L.))-infested council flats in order to understand why these treatments failed. A multivariate analysis revealed that several environmental factors like the number of residents/m2 or the degree of cleanliness could explain, at least in part, the presence Of cockroaches in flats.
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Rivault, C., Cloarec, A. Analyse de Traitements de Blattes par Insecticide en Milieu Urbain. Int J Trop Insect Sci 16, 379–386 (1995). https://doi.org/10.1017/S1742758400017446
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DOI: https://doi.org/10.1017/S1742758400017446