Gagarin V.G. 2009. [New nematoda species of family Leptosomatidae (Nematoda, Enoplida) from Mediterranean Sea] // Invertebrate Zoology. Vol.5 (for 2008). No.2: 87–95 [in Russian, with English summary].

Institute of Inland Waters Biology, Russian Academy of Sciences, Borok, Yaroslavl region, 152742, Russia. E-mail: gagarin@ibiw.yaroslavl.ru

KEY WORDS: Nematoda, Mediterranean Sea, new species.

ABSTRACT: Three new species of free-living nematodes of the family Leptosomatidae were found off the Mediterranean Sea coast near Israel. Thoracostoma parvum sp.n. is similar to Th. coronatum (Eberth, 1863) and Th. campbelli Dillevsen, 1921, but differs from them by the shorter body, absence of cervical setae and subventral papillae in precloacal region of males. Deotostoma mediterraneum sp.n. differs from D. zeae Inglis, 1964 by the absence of cervical setae and subventral setae in precloacal region of males, shorter spicules and gubernaculum of copulative apparatus. Synonchus glosus sp.n. is similar to S. fasciculatus Cobb, 1894, but has the longer and thinner body, comparatively shorter cephalic setae and longer spicules.

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