Dorylaimoides istvani, a new dorylaimid (Nematoda) species from West Bengal, India
AbstractA new nematode species, Dorylaimoides istvani sp. n., is described and illustrated herein. It was collected from the rhizospheric soil of Lagenaria vulgaris from the village of Duttapukur, district North-24-Parganas, West Bengal, India. It is characterized by medium size (female 1.35-1.68 mm; male 1.29-1.44 mm) with slightly angular lip region, offset from the adjacent body by a constriction; amphid cup-shaped and its opening at the level of the head constriction; odontostyle relatively long and stout; pharynx consisting of a moderately slender and weakly muscular anterior region and basal bulb; genital system didelphic, both genital branches equally developed, ovary reflexed, vulva transverse, vagina occupying more than half (60%) of the corresponding body diameter. An ad-anal pair and 5-7 ventro-median supplements regularly spaced. Tail elongated, filiform with acute terminus similar in sexes (female 112.5-135 μm; male 95-102.5 μm).