Epidemiological study on Acaroid mite in dust different sites were carried out and the following results were obtained. Tyrophagus dimidiatus, Chibidania tokyoensis and Ornithonyssus nagayoi were found in living room(46.2 %), bath room(36.7 %), garden(27.0 %), shopping-store(28.8 %) and ware-house (29.2 %) in the Pusan area. Dermanyssus gallinae and Rhizoglyphus echinopus were found mainly in class rooms of girl's high school(34.0 %) and class room of girl's middle school(40.0 %) as well as in primary school(13.2 %), but they are not found in class rooms of boys high school. Generally, the various mites were found in the living room(57.0 %), under the carpet(50 %), under the furniture(52.0 %), on the furniture(27.5 %), lavatory(35.7 %) and garden(23.8 %).
parasitology-arthropod-acarid-migte ; Tyrophagus dimidiatus ; Chibidania tokyoensis ; Ornithonyssus nagayoi ; Dermanyssus gallinae ; Rhizoglyphus echinopus

Acarid mites were isolated from samples collected in Seoul during the period of October 1975 to August 1978. Samples consisted of stored foods such as rice, flour, sugar, dried fishes, dusts of houses and freight offices. The identified mites were classified into 12 species belonging to 12 genera, 5 families as following lists, of which 4 species (*) are newly recorded in Korea. Family Acaridae Ewing and Nesbitt, 1942: Tyrophagus putrescentiae (Schrank, 1781). Acarus siro Linnaeus, 1758. Aleuroglyphus ovatus* Troupeau, 1879. Suidasia nesbitti Hughes, 1948. Rhizoglyphus echinopus (Fumouze and Robin, 1868). Caloglyphus berlesei (Michael, 1903). Lardoglyphus konoi (Sasa and Asanuma, 1951). Family Carpoglyphidae Oudemans, 1972: Carpoglyphus lactis Linnaeus, 1927. Family Glyphagidae Berlese, 1887: Glycyphagus destructor (Schrank, 1781). Gohieria fusca* (Oudemans, 1903). Family Chortoglyphidae Berlese, 1897: Chortoglyphus arcuatus* (Troupeau, 1879). Family Pyroglyphidae Cunliffe, 1958: Euroglyphus maynei* (Cooremant 1950).
parasitology-arthropoda-acarid ; mite ; Acaridae ; epidemiology ; Tyrophagus putrescentiae ; Acarus siro ; Aleuroglyphus ovatus ; Suidasia nesbitti ; Rhizoglyphus echinopus ; Caloglyphus berlesei ; Lardoglyphus konoi ; Carpoglyphus lactis ; Glycyphagus destructor ; Gohieria fusca ; Chortoglyphus arcuatus ; Euroglyphus maynei