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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 96, No. 7, 2001, pp. 911-916
Bioline Code: oc01179
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 96, No. 7, 2001, pp. 911-916

 en Evaluation of the Acarofauna of the Domiciliary Ecosystem in Juiz de Fora, State of Minas Gerais, Brazil
Oscarina da Silva Ezequiel; Gilberto Salles Gazêta; Marinete Amorim & Nicolau Maués Serra-Freire

Abstract

From August 1999 to January 2000, samples of house dust were collected from 160 domiciles in the city of Juiz de Fora, State of Minas Gerais, Brazil. In 36 of these domiciles kitchen samples were obtained. Prevalence rate was 77.5%, varying according to the geographical sector. There were found 2,278 specimens of mites, with 1,530 (67.2%) in the adult stage and 748 (32.8%) in immature forms. The main species found were Dermatophagoides pteronyssinus check for this species in other resources , D. farinae, Euroglyphus maynei check for this species in other resources , Blomia tropicalis check for this species in other resources and Tyrophagus putrescentiae check for this species in other resources . In a minor incidence we found Lepidoglyphus destructor check for this species in other resources , Suidasia pontificiae check for this species in other resources , Chortoglyphus arcuatus check for this species in other resources , Cheyletus malaccensis check for this species in other resources , C. fortis, Ker bakeri check for this species in other resources , Cheletonella vespertilionis check for this species in other resources , C. caucasica and others. C. vespertilionis and C. caucasica were identified for the first time in the domiciliary ecosystem and in Brazil. The abundance rate and the infestation intensity were analyzed. There was a varied correlation between climatic conditions and positive domiciles and number of mites. The difference between the number of positive domiciles in the urban area and in the expanding urban area was significant and so was the difference between samples from the domiciles compared to those from the kitchens.

Keywords
house dust mites, domiciliary ecosystem, allergic diseases, aeroallergens, Minas Gerais, Brazil

 
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