Importance of flies (Diptera - Brachycera) in the distribution of helminth eggs from municipal sewage treatment plants
1995
Juris, P. | Vilagiova, I. | Plachy, P. (Slovenska Akademia Vied, Kosice (Slovakia). Parazitologicky Ustav)
Screenings were carried out in four mechanico-biological municipal wastewater treatment plants in two climatico-geographic regions of Slovakia. Ovoscopical studies traced the occurrence of helminth eggs in stabilized sludges in sludge beds. The flies (Diptera - Brachycera) are considered as potential biological vectors of helminth eggs. The stabilized sludge beds showed the presence of a wide range of helminth eggs Ascaris sp. 0-184, Hymenolepis sp. 0-5, Toxocara sp. 0-17, Taenia sp. 0-2, Trichuris sp. 0-17 and Capillaria sp. 0-4 spec./100g of sample dry matter. In the areas of four sewage treatment plants 461 fly specimens (358 females, 103 males) were captured, belonging to 31 species. On three specimens of Protophormia terraenovae ectoparasites (mites) were detected. No eggs were found on the body surface of the flies.
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