World Database of Nematodes

Gagarin, V. G.; Naumova, T. V. (2018). Species of Free-Living Nematodes (Nematoda) New to Science from Lake Baikal and Freshwater Bodies of the Russian Far East. Inland Water Biology. 11(4): 396-406.

377709

10.1134/s1995082918040065 [view]

Gagarin, V. G.; Naumova, T. V.

2018

11(4): 396-406

Publication

Available for editors   [request]

Two free-living nematode species found the interstitial zone of the splash zone of Lake Baikal have been described. Eumonhystera arenosa sp. n. is similar to E. filiformis (Bastian, 1865) Andrássy, 1981, but it has longer body and spicules, a bulb-shaped expansion of pharynx, and shorter inner labial sensillae; it is also characterized by a different ratio between the tail length and the distance from vulva to anus. Tripyla affinis de Man, 1880 found in the water bodies of the Far East has been assigned to the new species T. alekseevi sp. n., since there are differences between these two closely related species. Tripyla alekseevi sp. n. is close morphologically to T. affinis de Man, 1880, but differs by longer inner labial sensillae, a narrower labial region, a smaller number of supplements in males, and a longer gubernaculum. A key for the five valid species of the genus Tripyla inhabiting Lake Baikal is given.

Lake Baikal

Nematoda

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