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Observations on three species of the subfamily Acrobelinae (Nematoda: Cephalobidae) from India

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For more content, see Nematologica.

Three populations belonging to Zeldia punctata , Chiloplacus subtenuis and Seleborca complexa , respectively, were studied morphometrically, with additional details provided by scanning electron microscopy. Z. punctata , Aligarh population, is characterised by a medium sized body with five non-crenate lateral incisures, prominently cuticularized cheilostom, dentate guard processes of primary cephalic axils reaching about 66% of cephalic probolae length. C. subtenuis, population collected from Surat, India, shows five lateral incisures, labial probolae bifurcate about 20% of length, with short and blunt margins, female tail long with 22-24 annules, without indented tip, males with four precloacal and four post-cloacal pairs genital papillae and with inner lateral incisures interrupted at tail. The Aligarh population of S. complexa shows double, coarsely striated cuticle, two areolated lateral incisures, labial probolae bifurcate to about 67% of length, each arm bearing seven to nine tines on the outer side, middle tine on cephalic probolae at secondary cephalic axils enlarged, males with strongly developed, cephalated spicules and with three paired and a single median pre-cloacal and five post-cloacal pairs of genital papillae. Observations sur trois especes de la sous-familledes Acrobelinae (Nematoda: Cephalobidae) de l'Inde- Trois populations appartenant chacune a Zeldia punctata , Chiloplacus tenuis et Seleborca complexa ont ete etudiees, des donnees complementaires en microscopie electronique a balayage etant fournies. Z. punctata , population Aligarh, est caracterise par un corps de taille moyenne avec cinq incisures laterales non crenelees, un cheilostome cuticularise proeminent, des proces de protection des axilles cephaliques primaires atteignant environ 66% de la longueur des proboles cephaliques. La population de C. subtenuis, collectee a Surat, Inde, montre cinq incisures laterales, des proboles labiales bifurquees a 20% de leur longueur et a sommets courts et lisses, la queue de la femelle comportant 22 a 24 anneaux et a extremite non indentee, les males avec quatre paires precloacales et quatre paires postcloacales de papilles genitales, les incisures laterales internes etant interrompues sur la queue. La population de S. complexa provenant d'Aligarh possede une cuticule double a annelation forte, deux incisures laterales areolees, des proboles labiales bifurquees a environ 67% de leur longueur, chaque branche portant sept a neuf pointes sur la marge exterieure, la pointe mediane elargie des proboles cephaliques au niveau des axilles cephaliques secondaires, les males a spicules fortement developpes et renfles a l'extremite anterieure, les papilles genitales etant reparties en trois paires pre-cloacales, une mediane unique pre-cloacale et cinq paires post-cloacales.

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/content/journals/10.1163/156854199508522
1999-08-01
2016-12-10

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