Abstract
The aim of present paper is to describe first record of genus Petasiger which was collected during systematic study of helminths of Little Cormorant, Phalacrocorax niger of District Sanghar, Sindh, Pakistan. Petasiger exaeretus (Dietz, 1909) were identified from the intestine of Little Cormorant, Phalacrocorax niger on the basis of morphological
features including pear shaped body, maximum width at testicular level, 27 head collar spines, long fore-body, well developed pharynx, pre-acetabular cirrus sac, tandem and contiguous testes, short uterus, spherical and pretesticular ovary. P. exaeretus is a common parasitic species of Cormorants. However, it has not been reported from
Pakistan in Little Cormorant, Phalacrocorax niger prior to the present study.
Muhammad Moosa Abro, Ali Murtaza Dharejo, Muhammad Munif Khan, Nadir Ali Birmani, Saima Naz. (2016) Description of first record of Petasiger exaeretus Dietz, 1909 (Trematoda: Echinostomatidae) in avian host from Pakistan., Punjab University Journal of Zoology, Volume 31, Issue 2.
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