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. Th...

Stored product mites can often infest stored products, but currently there is little information regarding the eYcacy of pesticides that can be used for control. In this study we evaluated several common pesticides formulated from single active ingredients (a.i.) or commercially available mixtures (chlorpyrifos, deltamethrin, beta-cyXuthrin, and a combination of deltamethrin and S-bioallethrin)...

Typhlodromus bambusae Ehara is a dominant predator species associated with the spider mite Schizotetranychus nanjingensis Ma & Yuan on the giant bamboo ( Phyllostachys pubscens ) in Fujian, China. In the field, increased densities of T. bambusae were associated with reduced densities of S. nanjingensis on bamboo leaves. Laboratory studies at 22-30¡C on a diet of S. nanjingensis showed that fema...

OBJECTIVE This study was conducted to determine the dust mite fauna of houses in Bitlis and Muş provinces, the monthly value of mite numbers/g dust, as well as the impact of temperature, humidity and altitude on their numbers. METHODS Dust samples were collected monthly from May 2010 to April 2011 from six houses belonging to three settlements; two of the houses were located in Bitlis, while ...