North-East India Helminth Parasite Information Database

Mehraorchis ranarum (Srivastava Srivastava) Back


Platyhelminthes »
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                                           Mehraorchis ranarum, Srivastava 1934


Hoplobatrachus (tigerinus)


Gall bladder


Dimapur (Nagaland)


Body oval or round, 2.41-3.0 mm in length, 1.77-2.23 mm in width; mouth terminal, muscular, followed by muscular pharynx; weak ventral sucker, same in size as oral sucker, placed in middle half of body; oesophagus moderate in length bifurcating between suckers; intestinal caeca reaching posterior region of body. Genital pore situated marginally on left side of body, level with oral sucker. Cirrus sac well developed, elongate or claviform, extending up to caeca, contains elongated coiled seminal vesicle and well developed pars prostica, elongate or claviform extending up to caeca . Testes laterally and symmetrically arranged to intestinal caeca in fore body. Ovary above ventral sucker. Vitelline follicles arranged in two groups confined to testicular region. Uterus disposed in most of posterior region. Eggs small, 0.03 x 0.012-0.016 mm,  numerous.


The present reporting of Mehraorchis ranarum from Nagaland, North-East India forms a new locality record, the host being the same i.e., H. tigerinus (=Rana tigrinus) with the earlier reporting from West Bengal (Mukherjee and Ghosh, 1970).

Helminthological collections record



Mukherjee, R. P. and Ghosh, R. K. (1970a). Studies on some amphibian trematodes from Uttar Pradesh and West Bengal (Part I). Indian Journal of Helminthology. 22 (1):pp 61-78.