FLORA AND FAUNA ISSN 2456-9364(Online) 0971-6920(Print)
         
2015 Vol. 21 No. 2 PP 179­-190
BIOSYSTEMATIC STUDIES ON CARYOPHYLLIDEAN CESTODE GENUS LYTOCESTUS4 FROM FRESHWATER CATFISH CLARIAS BATRACHUS24 WITH DESCRIPTION OF NEW SPECIES
VIKRAM SATWARAO DESHMUKH, SANJAY SHAMRAO NANWARE AND DHANRAJ BALBHIM BHURE
Research and Post Graduate
Department of Zoology,
Yeshwant Mahavidyalaya,
NANDED­431602. M.S., INDIA.
EMAIL­ snanware@rediffmail.com
ABSTRACT
Present study deals with Biosystematics of Piscean tapeworm Lytocestus indica Sp.Nov. collected from intestine of freshwater catfish host Clarias batrachus24 at Nanded (M.S.) India. Worm comes closer to all known species of Lytocesus4 in general topography of organs but differs due to mature specimens long, single segmented, tapering at both ends, head long, well marked off from body, Testes rounded, 1000­1100 in number, pre­ovarian, placed centrally, evenly distributed, Cirrus pouch large, cylindrical, pre­ovarian, transversely placed, cirrus thin, curved, vas deferens short, thin, genital pore small, oval, vagina long, thin tube, Ovary bilobed, ‘V’ shaped, situated near posterior region of worm, uterus saccular, filled with numerous non­operculated eggs and Vitellaria follicular, arranged in two rows.

Key words :Biosystematic studies, Caryophyllidean Cestode, Clarias batrachus, Lytocestus indica Sp.Nov.
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