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Some trematodes of reptiles from Laos.

1991; Institute of Parasitology of the Czech Academy of Sciences; Volume: 38; Issue: 4 Linguagem: Inglês

1803-6465

Tomáš Scholz, Oleg Ditrich,

Amphibian and Reptile Biology

In 51 reptiles of 17 species from Vientiane province in Laos, three species of trematodes, Paradistomum geckonum, Encyclometra bungara, and Postorchigenes majeedi were recorded for the first time. The snake Enhydris plumbea represents a new definitive host of E. bungara; this parasite has hitherto been recorded only in India. Mabuya multifasciata is a new definitive host of P. geckonum; Gekko gecko, Hemidactylus frenatus and Cosymbotus platyurus of P. majeedi. The study of P. geckonum, specimens from different hosts revealed great morphological and metrical variability within this species, particularly in the shape and size of body. These morphological characters seems to bc influenced not only by the state of maturation of helminths and host species but also by the size of individual hosts. The species Postorchigenes indicus Agrawal, 1968, and P. rishikeshii Lal et Prasad, 1979 are considered as synonyms of P. majeedi.