Journal
ZOOKEYS
Volume -, Issue 1186, Pages -Publisher
PENSOFT PUBLISHERS
DOI: 10.3897/zookeys.1186.101527
Keywords
Morphometrics; new genus; new species; SEM; taxonomy
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A new nematode species, Tahamina indica gen. nov., sp. nov., belonging to the superfamily Tylencholaimoida (Dorylaimida), was discovered in the rhizosphere of grasses in the Western Ghats. The characteristics of this nematode species include specific body length, lip region width, amphidial fovea shape, odontostyle length, as well as unique reproductive system and tail morphology.
During a nematological survey in the Western Ghats a new nematode belonging to the superfamily Tylencholaimoida (Dorylaimida) extracted from the rhizosphere of the soil of grasses, is described and illustrated. Tahamina indica gen. nov., sp. nov. is characterized by females with a body length of 1.3-1.4 mm; lip region 8.0 mu m wide, approximately one-fourth of the body diameter at the pharyngeal base; amphidial fovea cup-shaped, about one-half as wide as the lip region diameter. Odontostyle 8.0-9.0 mu m long, 1.0-1.1 times lip region diameter; guiding ring simple; odontophore rod-like, 10.5-11.5 mu m long with basal thickening or minute knobs-like structure; pharynx consisting of a weakly muscular anterior part, expanding abruptly into a cylindrical basal bulb, occupying about two-fifths to one-half of the total pharyngeal length; female genital system monodelphic-opisthodelphic with anterior uterine sac; vulval opening pore-like, and tail elongated with a slight dorsally curved tip. Males not found.
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