Between January and August 2002, a total of 74 fishes belonging to nine species (Alburnus caeruleus, Barbus luteus, B. sharpeyi, Carassius auratus, C. carassius, Ctenopharyngodon idella, Cyprinus carpio, Hypophathalmichthys molitrix Liza abu) were collected from three fish farms south Baghdad. Twenty-six parasites observed.They following : Three protozoa ( Ichthyophthirius multifiliis , Trichot...

This article considers the natural regulators of blood-sucking Simuliidae subzone mixed forests on territory Belarus and Ukraine. In forests, major preimaginal phases bloodsucking blackflies are microsporidia (Polidyspirenia simulii, Polidyspirenia sp., Thelohania fibrata, Amblyospora bracteata, A. varians), fungi mermithides (Gastromermis boophthorae). Caddisfly larvae (Hydropsyche angustipenn...