Trematodes (Trematoda) of reptiles from Middle Volga region

Data on all known currently trematodes, revealed in reptiles of the Middle Volga are generalised and analysed in article. 21 species of trematodes is marked from reptiles of the Middle Volga region. We underline trematode Neoglyphe sobolevi for the first time for reptiles of fauna of Russia. The new host - smooth snake is noted for larva Strigea sphaerula. Different species of reptiles are specified as casual hosts for 6 trematodes. Descriptions and original drawings of these parasites are brought.