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Abstract
Present studies under Light and Scanning Electron Microscopic observations of a spiruroid nematode Rhabdochana bilqeesae sp. n. found parasitizing a common edible fresh water fish Labeo rohita in district Thatta, Sindh, Pakistan. Species of the genus are most frequently recorded worldwide including Pakistan and seems to be bound to the fresh waters only. The new species Rhabdochona bilqeesae is characterized by having well developed cephalic and cervical alae in both male and female specimens; the number of teeth in the prostom appears to be ten. The coiled caudal region in the male specimens are provided with spiny patches some distance above the spicules; The tail tip in the males is roughly conical and some distance above the tip, there are 4-5 rows of scale like structures which have not been reported earlier. The tail tip in females is roughly rounded. The eggs are embryonated and have smooth walls. Labeo rohita is a new host record of this nematode in Pakistan.

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S.M. Hasan Mehdi Naqvi, R.R.Ghazi, Aly Khan. (2014) LIGHT AND SCANNING ELECTRON MICROSCOPIC STUDY OF RHABDOCHONA BILQEESAE SP. N. (NEMATODA: RHABDOCHONIDAE) PARASITIZING A COMMON EDIBLE FISH LABEO ROHITA IN THATTA, SINDH, PAKISTAN, , Volume 11, Issue 4.
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International Journal of Biology and Biotechnology
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Volume 11
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