Risk of exposure of a selected rural population in South Poland to allergenic mites. Part I: indoor acarofauna of one-family houses

Abstract

The aim of this study was to investigate the occurrence of mites in dust samples from houses in agricultural areas of South Poland, with particular reference to allergenic and parasitic species as a potential risk factor of diseases among people. A total of 250 dust samples from 50 single-family houses situated in Stryszawa and vicinity (Małopolskie province) were examined for the presence of domestic mites. Dust was taken from beds, floors in bedrooms, upholstery furniture, floors in family rooms and from floors in kitchens. Mites were found in 74.8% of samples collected. A total of 5340 mite specimens were isolated, including 2771 members of the family Pyroglyphidae (51.9%). Dominants were Dermatophagoides pteronyssinus (36.4% of all mites) and Gohieria fusca (25.1%), followed by Chortoglyphus arcuatus (18.3%) and D. farinae (15.1%). Dermatophagoides pteronyssinus was also the most frequent species (53.2% of the total count of samples examined), followed by G. fusca (42.4%), D. farinae (37.2%) and C. arcuatus (36.4%). Lepidoglyphus destructor was found more frequently than Glycyphagus domesticus in the examined samples. Density of D. pteronyssinus was associated with beds, presence of pets, coal stoves used for heating, lower number of rooms, higher cooking frequency, higher washing frequency, working housewife, open kitchen, wooden floors in kitchens, lower cleaning frequency, type of upholstery furniture in living rooms (arm chairs), lower humidity and higher temperature.

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