A New record of Genus Macrobilharzia Travassos, 1922 (Trematoda: Schistosomatoidea) in Phalacrocorax niger from Sindh, Pakistan

Abstract

Two specimens (one male and one female) of genus Macrobilharzia were collected from intestinal portal vein of single little cormorant. Body of schistosome was flat, long, tapering at both ends, zigzag ceca joins to form common cecum in posterior quarter of body; male larger than female, possess well developed gynaecophoric canal and 120-122 testes; female shorter, having inter-cecal ovary, long uterus and follicular vitellaria. On the basis of these characteristics the specimens are identified as Macrobilharzia macrobilharzia Travassos, 1922 and recorded for first time in little cormorant from Pakistan. Therefore, it is new host and locality record.