[Trematodes of birds (Aves) from the Middle Volga region. 2. Orders Plagiorchiida, Renicolida, Strigeida, and Schistosomatida].

Data on trematodes of Plagiorchiida, Renicolida, Strigeida, and Schistosomatida, parasitizing in birds of the Middle Volga region are given. Proceedings of the different authors are supplemented by results of our research. Two species of trematodes (Brachylaima mesostoma and Mosesia amplavaginata) are specified for birds of the middle Volga region for the first time. New hosts were revealed for 2 trematode species: the great tit for Plagiorchis laricola and the common chaffinch for M. amplavaginata. The following characteristics for each parasite are given: it's systematic position, the spectrum of hosts, localization, collecting site, biology, the degree of host specificity and geographical range. The morphological description and original figures of 11 species of trematodes are presented.