New digenetic trematode parasite Masenia lucknowensis sp. nov. (Trematoda: Maseniidae) from fresh water fishes of Uttar Pradesh (India)
Genus Masenia Chatterji, 1933 (Trematoda: Maseniidae Yamaguti, 1954) is one of the most important digenean trematode parasite with wide geographic distribution in the world. The purpose of the present study was to describe morphological and morphometrical characteristics of digenetic trematodes. The present study was carried out in fresh water fish fauna of River Gomti, Daliganj at Lucknow (26o 51' 30" N, 80o 56' 14" E). We have found that fresh water fishes heavily infected with various helminthes parasites. We have recovered large number of digenean parasites which belong to genus viz. Masenia Chatterji, 1933. During the survey (2012, Daliganj Lucknow) of fresh water digenetic trematode parasites, collected three different species of the genus Masenia, out of these one is new species, another are redescribed to show certain variation, the new parasite was obtain from the intestine of fish Mystus vittatus (Bloch, 1794) (Actinopterygii: Bagridae).